Abert's Towhee Acadian Flycatcher Acanthis/Spinus sp. Accipiter sp. Acorn Woodpecker African Collared-Dove African Darter African Firefinch African Sacred Ibis African Silverbill African Woolly-necked Stork Akekee Akiapolaau Akikiki Akohekohe Alder Flycatcher Alder/Willow Flycatcher (Traill's Flycatcher) Aleutian Tern Alexandrine Parakeet Allen's Hummingbird Altamira Oriole Altamira x Audubon's Oriole (hybrid) Amazon Kingfisher Amazona sp. American Avocet American Bittern American Black Duck American Black/Mottled Duck American Coot American Crow American Dipper American Flamingo American Golden-Plover American Goldfinch American Kestrel American Oystercatcher American Pipit American Redstart American Redstart x Northern Parula (hybrid) American Redstart x Yellow Warbler (hybrid) American Robin American Three-toed Woodpecker American Three-toed/Black-backed Woodpecker American Tree Sparrow American Tree x Harris's Sparrow (hybrid) American White Pelican American Wigeon American Wigeon x American Black Duck (hybrid) American Wigeon x Green-winged Teal (hybrid) American Wigeon x Mallard (hybrid) American Wigeon x Northern Pintail (hybrid) American Woodcock American x Black Oystercatcher (hybrid) American/Black Oystercatcher American/Fish Crow American/Greater Flamingo American/Pacific Golden-Plover (Lesser Golden-Plover) Amethyst-throated Mountain-gem Ammospiza sp. Amur Stonechat Anas sp. Ancient Murrelet Anhinga Anianiau Anna's Hummingbird Anna's Hummingbird x Selasphorus sp. (hybrid) Anna's x Allen's Hummingbird (hybrid) Anna's x Broad-billed Hummingbird (hybrid) Anna's x Calliope Hummingbird (hybrid) Anna's x Costa's Hummingbird (hybrid) Anna's x Rufous Hummingbird (hybrid) Anna's/Costa's Hummingbird Anser sp. Antillean Nighthawk Antillean Palm Swift Antrostomus sp. Apapane Aphelocoma sp. Aplomado Falcon Aquila sp. Arctic Loon Arctic Tern Arctic Warbler Arctic/Kamchatka Leaf Warbler Arctic/Pacific Loon Ardea sp. Arizona Woodpecker Ash-throated Flycatcher Ash-throated/Nutting's Flycatcher Ashy Storm-Petrel Asian Brown Flycatcher Asian Rosy-Finch Asio sp. Atlantic Puffin Audubon's Oriole Audubon's Shearwater Aythya sp. Aztec Thrush Azure Gallinule Azure Tit Azure-winged Magpie Bachman's Sparrow Bachman's Warbler Baer's Pochard Bahama Mockingbird Bahama Swallow Bahama Woodstar Bahama x Northern Mockingbird (hybrid) Baikal Teal Baillon's Crake Baird's Sandpiper Baird's Sparrow Bald Eagle Bali Myna Baltimore Oriole Bananaquit Band-rumped Storm-Petrel Band-tailed Pigeon Bank Swallow Bank Swallow/Pale Sand Martin Bar-headed Goose Bar-tailed Godwit Bare-throated Tiger-Heron Barn Owl Barn Swallow Barn x Cave Swallow (hybrid) Barn x Cliff Swallow (hybrid) Barnacle Goose Barnacle x Cackling Goose (hybrid) Barnacle x Canada Goose (hybrid) Barolo Shearwater Barred Antshrike Barred Owl Barred Parakeet Barrow's Goldeneye Barrow's Goldeneye x Hooded Merganser (hybrid) Bat Falcon Bay-breasted Warbler Bay-breasted x Blackpoll Warbler (hybrid) Bay-breasted/Blackpoll Warbler Belcher's Gull Bell's Sparrow Bell's Vireo Belted Kingfisher Bendire's Thrasher Bermuda Petrel Berylline Hummingbird Bewick's Wren Bicknell's Thrush Black Catbird Black Francolin Black Guillemot Black Kite Black Noddy Black Oystercatcher Black Phoebe Black Rail Black Rosy-Finch Black Scoter Black Siskin Black Skimmer Black Storm-Petrel Black Swan Black Swift Black Tern Black Turnstone Black Vulture Black x Eastern Phoebe (hybrid) Black x Say's Phoebe (hybrid) Black-and-white Mannikin Black-and-white Warbler Black-backed Oriole Black-backed Woodpecker Black-bellied Plover Black-bellied Plover/golden-plover sp. Black-bellied Storm-Petrel Black-bellied Whistling-Duck Black-bellied x Fulvous Whistling-Duck (hybrid) Black-billed Cuckoo Black-billed Magpie Black-browed Albatross Black-capped Chickadee Black-capped Gnatcatcher Black-capped Parakeet Black-capped Petrel Black-capped Vireo Black-capped x Mountain Chickadee (hybrid) Black-capped/Mountain Chickadee Black-chinned Hummingbird Black-chinned Sparrow Black-chinned x Anna's Hummingbird (hybrid) Black-chinned x Broad-billed Hummingbird (hybrid) Black-chinned x Calliope Hummingbird (hybrid) Black-chinned x Costa's Hummingbird (hybrid) Black-chinned x Rufous Hummingbird (hybrid) Black-crested Titmouse Black-crowned Night-Heron Black-crowned x Yellow-crowned Night-Heron (hybrid) Black-crowned/Yellow-crowned Night-Heron Black-faced Grassquit Black-footed Albatross Black-headed Grosbeak Black-headed Gull Black-headed Nightingale-Thrush Black-headed Parrot Black-headed Siskin Black-headed Weaver Black-headed x Ring-billed Gull (hybrid) Black-legged Kittiwake Black-legged/Red-legged Kittiwake Black-necked Stilt Black-necked Stork Black-necked Swan Black-rumped Waxbill Black-tailed Gnatcatcher Black-tailed Godwit Black-tailed Gull Black-tailed x Black-capped Gnatcatcher (hybrid) Black-throated Blue Warbler Black-throated Canary Black-throated Gray Warbler Black-throated Gray x Hermit Warbler (hybrid) Black-throated Gray x Townsend's Warbler (hybrid) Black-throated Gray/Hermit Warbler Black-throated Gray/Townsend's Warbler Black-throated Green Warbler Black-throated Magpie-Jay Black-throated Sparrow Black-throated/White-throated Magpie-Jay Black-vented Oriole Black-vented Shearwater Black-whiskered Vireo Black-winged Bishop Black-winged Petrel Black-winged Stilt Black/Pigeon Guillemot Blackburnian Warbler Blackpoll Warbler Blue Bunting Blue Crane Blue Dacnis Blue Grosbeak Blue Jay Blue Mockingbird Blue-and-white Swallow Blue-and-yellow Macaw Blue-and-yellow x Scarlet Macaw (hybrid) Blue-bellied Roller Blue-billed Teal Blue-black Grassquit Blue-breasted Quail Blue-capped Cordonbleu Blue-crowned Parakeet Blue-footed Booby Blue-footed x Brown Booby (hybrid) Blue-gray Gnatcatcher Blue-gray Noddy Blue-gray Tanager Blue-headed Parrot Blue-headed Vireo Blue-throated Mountain-gem Blue-winged Goose Blue-winged Teal Blue-winged Teal x American Wigeon (hybrid) Blue-winged Teal x Northern Shoveler (hybrid) Blue-winged Warbler Blue-winged x Cinnamon Teal (hybrid) Blue-winged x Green-winged Teal (hybrid) Blue-winged x Prairie Warbler (hybrid) Blue-winged/Cinnamon Teal Bluethroat Blyth's Reed Warbler Boat-tailed Grackle Boat-tailed x Great-tailed Grackle (hybrid) Boat-tailed/Great-tailed Grackle Bobolink Bohemian Waxwing Bohemian/Cedar Waxwing Bonaparte's Gull Bonin Petrel Boreal Chickadee Boreal Owl Boreal/Northern Saw-whet Owl Botteri's Sparrow Botteri's/Cassin's Sparrow Brahminy Starling Brambling Brandt's Cormorant Brant Brant x Cackling Goose (hybrid) Branta sp. Brewer's Blackbird Brewer's Blackbird x Great-tailed Grackle (hybrid) Brewer's Sparrow Brewster's Warbler (hybrid) Bridled Tern Bridled Titmouse Bridled/Juniper Titmouse Bristle-thighed Curlew Broad-billed Hummingbird Broad-billed Sandpiper Broad-billed x Violet-crowned Hummingbird (hybrid) Broad-tailed Hummingbird Broad-tailed Paradise-Whydah Broad-winged Hawk Bronze Mannikin Bronzed Cowbird Bronzed/Brown-headed Cowbird Brotogeris sp. Brown Booby Brown Creeper Brown Jay Brown Noddy Brown Pelican Brown Shrike Brown Thrasher Brown-backed Solitaire Brown-capped Rosy-Finch Brown-chested Martin Brown-crested Flycatcher Brown-headed Cowbird Brown-headed Nuthatch Brown/Black Noddy Brown/Long-billed Thrasher Bubo sp. Budgerigar Buff-bellied Hummingbird Buff-breasted Flycatcher Buff-breasted Sandpiper Buff-collared Nightjar Bufflehead Bufflehead x Common Goldeneye (hybrid) Bufflehead x Hooded Merganser (hybrid) Bufflehead x goldeneye sp. (hybrid) Buller's Shearwater Bullock's Oriole Bullock's x Baltimore Oriole (hybrid) Bullock's/Baltimore Oriole Bullock's/Black-backed Oriole Bulwer's Petrel Bumblebee Hummingbird Burrowing Owl Burrowing Parakeet Bushtit Buteo sp. Buteo/eagle sp. Cackling Goose Cackling/Canada Goose Cactus Wren Calidris sp. California Condor California Gnatcatcher California Gull California Quail California Scrub-Jay California Thrasher California Towhee California x Crissal Thrasher (hybrid) California x Gambel's Quail (hybrid) California x Herring Gull (hybrid) California/Gambel's Quail California/Woodhouse's Scrub-Jay Calliope Hummingbird Calliope x Broad-tailed Hummingbird (hybrid) Calliope x Rufous Hummingbird (hybrid) Canada Goose Canada Jay Canada Warbler Canvasback Canvasback x Redhead (hybrid) Canvasback x Ring-necked Duck (hybrid) Canvasback x scaup sp. (hybrid) Canyon Towhee Canyon Wren Canyon x Abert's Towhee (hybrid) Canyon x Spotted Towhee (hybrid) Canyon/Abert's Towhee Cape May Warbler Cape May x Yellow-rumped Warbler (hybrid) Cape Verde Shearwater Caprimulgus sp. Carolina Chickadee Carolina Parakeet Carolina Wren Carolina x Black-capped Chickadee (hybrid) Carolina/Black-capped Chickadee Caspian Tern Cassia Crossbill Cassin's Auklet Cassin's Finch Cassin's Kingbird Cassin's Sparrow Cassin's Vireo Cassin's/Blue-headed Vireo Cassin's/Plumbeous Vireo Cassin's/Western Kingbird Cathartes sp. Catharus sp. Cattle Egret Cave Swallow Cedar Waxwing Cerulean Warbler Cerulean Warbler x Northern Parula (hybrid) Chaetura sp. Chatham Albatross Chattering Lory Chestnut Munia Chestnut Teal Chestnut-backed Chickadee Chestnut-bellied Sandgrouse Chestnut-collared Longspur Chestnut-fronted Macaw Chestnut-sided Warbler Chestnut-sided x Black-throated Blue Warbler (hybrid) Chestnut-throated Seedeater Chihuahuan Meadowlark Chihuahuan Raven Chilean Flamingo Chilean Tinamou Chiloe Wigeon Chimney Swift Chimney/Vaux's Swift Chinese Egret Chinese Hwamei Chinese Pond-Heron Chinese Sparrowhawk Chipping Sparrow Chipping Sparrow/Worm-eating Warbler Chipping x Clay-colored Sparrow (hybrid) Chipping x Field Sparrow (hybrid) Chlidonias sp. Christmas Shearwater Chuck-will's-widow Chukar Cinnamon Hummingbird Cinnamon Teal Cinnamon Teal x Northern Shoveler (hybrid) Cinnamon x Green-winged Teal (hybrid) Cinnamon-rumped Seedeater Citrine Wagtail Clapper Rail Clark's Grebe Clark's Nutcracker Clay-colored Sparrow Clay-colored Thrush Clay-colored x Brewer's Sparrow (hybrid) Clay-colored x Field Sparrow (hybrid) Cliff Swallow Cliff x Cave Swallow (hybrid) Cliff/Cave Swallow Coccyzus sp. Cockatiel Colima Warbler Colima x Virginia's Warbler (hybrid) Collared Forest-Falcon Collared Plover Columba sp. Common Black Hawk Common Black x Red-shouldered Hawk (hybrid) Common Chaffinch Common Chiffchaff Common Crane Common Cuckoo Common Eider Common Gallinule Common Gallinule x American Coot (hybrid) Common Goldeneye Common Goldeneye x Hooded Merganser (hybrid) Common Grackle Common Greenshank Common Ground Dove Common Gull Common Hill Myna Common House-Martin Common Loon Common Merganser Common Murre Common Myna Common Nighthawk Common Pauraque Common Pochard Common Poorwill Common Quail Common Raven Common Redpoll Common Redshank Common Redstart Common Ringed Plover Common Ringed/Semipalmated Plover Common Rosefinch Common Sandpiper Common Scoter Common Shelduck Common Snipe Common Swift Common Tern Common Waxbill Common Yellowthroat Common Yellowthroat x Rufous-capped Warbler (hybrid) Common Yellowthroat x Yellow Warbler (hybrid) Common x Arctic Tern (hybrid) Common x Barrow's Goldeneye (hybrid) Common x Great-tailed Grackle (hybrid) Common x Hoary Redpoll (hybrid) Common x Thick-billed Murre (hybrid) Common/Arctic Tern Common/Barrow's Goldeneye Common/Black Scoter Common/Forster's Tern Common/Hoary Redpoll Common/Oriental Cuckoo Common/Red-breasted Merganser Common/Ruddy Ground Dove Common/Short-billed Gull Common/Spotted Sandpiper Common/Thick-billed Murre Common/Wilson's Snipe Common/Yellow-billed Loon Connecticut Warbler Connecticut/MacGillivray's/Mourning Warbler Cook's Petrel Cookilaria petrel sp. Cooper's Hawk Cooper's Hawk/Northern Goshawk Cordilleran Flycatcher Corn Crake Cory's Shearwater Cory's/Cape Verde Shearwater Cory's/Great Shearwater Coscoroba Swan Costa's Hummingbird Couch's Kingbird Couch's Kingbird x Scissor-tailed Flycatcher (hybrid) Couch's x Western Kingbird (hybrid) Crane Hawk Craveri's Murrelet Crescent-chested Warbler Crested Auklet Crested Caracara Crested Duck Crested Myna Crested Oropendola Crimson Rosella Crimson x Eastern Rosella (hybrid) Crimson-collared Grosbeak Crimson-fronted Parakeet Crimson-rumped Waxbill Crissal Thrasher Crowned Slaty Flycatcher Cuban Bullfinch Cuban Grassquit Cuban Martin Cuban Pewee Cuban Vireo Cuculus sp. Curlew Sandpiper Curlew x Pectoral Sandpiper (hybrid) Curve-billed Thrasher Curve-billed x Long-billed Thrasher (hybrid) Curve-billed/Bendire's Thrasher Cut-throat Cyanocorax sp. Cypseloides sp. Dark-billed Cuckoo Dark-eyed Junco Dark-eyed Junco x White-crowned Sparrow (hybrid) Dark-eyed Junco x White-throated Sparrow (hybrid) Dark-eyed Junco/Pine Warbler Dark-eyed x Yellow-eyed Junco (hybrid) Dark-eyed/Yellow-eyed Junco Dark-sided Flycatcher Demoiselle Crane Diamond Dove Diamond Firetail Dickcissel Domestic goose sp. (Domestic type) Domestic goose sp. x Canada Goose (hybrid) Double-barred Finch Double-crested Cormorant Double-crested x Neotropic Cormorant (hybrid) Double-crested/Neotropic Cormorant Double-striped Thick-knee Double-toothed Kite Dovekie Downy Woodpecker Downy x Hairy Woodpecker (hybrid) Downy x Ladder-backed Woodpecker (hybrid) Downy x Nuttall's Woodpecker (hybrid) Downy/Hairy Woodpecker Downy/Ladder-backed Woodpecker Dryobates sp. Dunlin Dunlin x White-rumped Sandpiper (hybrid) Dusky Flycatcher Dusky Grouse Dusky Lory Dusky Thrush Dusky Warbler Dusky x Sharp-tailed Grouse (hybrid) Dusky-capped Flycatcher Dusky-headed Parakeet Dusky/Naumann's Thrush Dusky/Sooty Grouse Eared Grebe Eared Quetzal Eastern Bluebird Eastern Kingbird Eastern Meadowlark Eastern Paradise-Whydah Eastern Phoebe Eastern Rosella Eastern Screech-Owl Eastern Spot-billed Duck Eastern Towhee Eastern Whip-poor-will Eastern Wood-Pewee Eastern Yellow Wagtail Eastern x Mountain Bluebird (hybrid) Eastern/Chihuahuan Meadowlark Eastern/Mexican Whip-poor-will Echo Parakeet Eclectus Parrot Egyptian Goose Elegant Quail Elegant Tern Elegant Trogon Elf Owl Emberiza sp. Emperor Goose Emperor x Greater White-fronted Goose (hybrid) Empidonax sp. Emu Epaulet Oriole Erckel's Spurfowl Eskimo Curlew Euplectes sp. Eurasian Blue Tit Eurasian Bullfinch Eurasian Collared-Dove Eurasian Collared-Dove x Mourning Dove (hybrid) Eurasian Coot Eurasian Curlew Eurasian Dotterel Eurasian Eagle-Owl Eurasian Hobby Eurasian Hoopoe Eurasian Jackdaw Eurasian Jay Eurasian Kestrel Eurasian Linnet Eurasian Magpie Eurasian Marsh-Harrier Eurasian Moorhen Eurasian Moorhen/Common Gallinule Eurasian Oystercatcher Eurasian Siskin Eurasian Skylark Eurasian Sparrowhawk Eurasian Spoonbill Eurasian Tree Sparrow Eurasian Wigeon Eurasian Wigeon x Northern Pintail (hybrid) Eurasian Woodcock Eurasian Wryneck Eurasian x African Collared-Dove (hybrid) Eurasian x American Wigeon (hybrid) Eurasian/African Collared-Dove Eurasian/American Wigeon Eurasian/Oriental Skylark European Golden-Plover European Goldfinch European Greenfinch European Robin European Serin European Starling European Storm-Petrel European Turtle-Dove Evening Grosbeak Eyebrowed Thrush Falcated Duck Fan-tailed Warbler Far Eastern Curlew Fea's Petrel Ferruginous Duck Ferruginous Hawk Ferruginous Pygmy-Owl Field Sparrow Fieldfare Fischer's Lovebird Fischer's x Yellow-collared Lovebird (hybrid) Fish Crow Five-striped Sparrow Flame-colored Tanager Flammulated Owl Flesh-footed Shearwater Florida Scrub-Jay Fork-tailed Flycatcher Fork-tailed Storm-Petrel Forpus sp. Forster's Tern Fox Sparrow Franklin's Gull Fulvous Whistling-Duck Gadwall Gadwall x American Wigeon (hybrid) Gadwall x Green-winged Teal (hybrid) Gadwall x Mallard (hybrid) Gadwall x Northern Pintail (hybrid) Galah Galapagos/Hawaiian Petrel (Dark-rumped Petrel) Gambel's Quail Garganey Garganey/Green-winged Teal Geranoaetus/Buteo sp. Giant Wood-Rail Gila Woodpecker Gilded Flicker Glaucidium sp. Glaucous Gull Glaucous x Great Black-backed Gull (hybrid) Glaucous-winged Gull Glaucous-winged x Glaucous Gull (hybrid) Glossy Ibis Glossy x White-faced Ibis (hybrid) Glossy/White-faced Ibis Golden Eagle Golden Palm Weaver Golden Parakeet Golden Pheasant Golden x Lady Amherst's Pheasant (hybrid) Golden-cheeked Warbler Golden-crowned Kinglet Golden-crowned Sparrow Golden-crowned Warbler Golden-crowned x White-throated Sparrow (hybrid) Golden-fronted Leafbird Golden-fronted Woodpecker Golden-fronted x Red-bellied Woodpecker (hybrid) Golden-fronted/Red-bellied Woodpecker Golden-winged Warbler Golden-winged x Blue-winged Warbler (hybrid) Golden-winged/Blue-winged Warbler Golden/Bald Eagle Gouldian Finch Grace's Warbler Grace's x Black-throated Gray Warbler (hybrid) Grasshopper Sparrow Grasshopper/Baird's Sparrow Grasshopper/Henslow's Sparrow Grassland Yellow-Finch Gray Bunting Gray Catbird Gray Crowned-Crane Gray Flycatcher Gray Francolin Gray Go-away-bird Gray Hawk Gray Heron Gray Kingbird Gray Nightjar Gray Parrot Gray Partridge Gray Silky-flycatcher Gray Thrasher Gray Vireo Gray Wagtail Gray-backed Tern Gray-breasted Martin Gray-cheeked Thrush Gray-cheeked/Bicknell's Thrush Gray-collared Becard Gray-crowned Rosy-Finch Gray-crowned Yellowthroat Gray-crowned x Black Rosy-Finch (hybrid) Gray-crowned x Common Yellowthroat (hybrid) Gray-faced Petrel Gray-headed Chickadee Gray-headed Swamphen Gray-hooded Gull Gray-streaked Flycatcher Gray-streaked/Dark-sided Flycatcher Gray-tailed Tattler Gray-tailed/Wandering Tattler Gray/Dusky Flycatcher Graylag Goose Graylag x Canada Goose (hybrid) Graylag x Swan Goose (hybrid) Great Bittern Great Black Hawk Great Black-backed Gull Great Blue Heron Great Blue Heron x Great Egret (hybrid) Great Cormorant Great Crested Flycatcher Great Crested Tern Great Egret Great Frigatebird Great Gray Owl Great Green Macaw Great Horned Owl Great Kiskadee Great Knot Great Knot x Surfbird (hybrid) Great Shearwater Great Skua Great Spotted Woodpecker Great Tit Great White Pelican Great-tailed Grackle Great/Double-crested Cormorant Great/Intermediate Egret Greater Flamingo Greater Necklaced Laughingthrush Greater Pewee Greater Prairie-Chicken Greater Rhea Greater Roadrunner Greater Sage-Grouse Greater Sage-Grouse x Sharp-tailed Grouse (hybrid) Greater Sand-Plover Greater Scaup Greater White-fronted Goose Greater White-fronted x Cackling Goose (hybrid) Greater White-fronted x Canada Goose (hybrid) Greater Yellowlegs Greater x Lesser Prairie-Chicken (hybrid) Greater/Gunnison Sage-Grouse Greater/Lesser Prairie-Chicken Greater/Lesser Scaup Greater/Lesser White-fronted Goose Greater/Lesser Yellowlegs Green Heron Green Jay Green Kingfisher Green Parakeet Green Peafowl Green Pheasant Green Sandpiper Green-breasted Mango Green-cheeked Parakeet Green-rumped Parrotlet Green-tailed Towhee Green-tailed x Spotted Towhee (hybrid) Green-winged Pytilia Green-winged Teal Greenish Elaenia Groove-billed Ani Guadalupe Murrelet Gull-billed Tern Gunnison Sage-Grouse Gyrfalcon Haemorhous sp. Hairy Woodpecker Hammond's Flycatcher Hammond's/Dusky Flycatcher Harlequin Duck Harris's Hawk Harris's Sparrow Hawaii Akepa Hawaii Amakihi Hawaii Creeper Hawaii Elepaio Hawaiian Coot Hawaiian Crow Hawaiian Duck Hawaiian Goose Hawaiian Hawk Hawaiian Petrel Hawfinch Heermann's Gull Helmeted Guineafowl Hen/Northern Harrier Henslow's Sparrow Hepatic Tanager Hepatic x Flame-colored Tanager (hybrid) Hepatic/Summer Tanager Herald Petrel Hermit Thrush Hermit Warbler Herring Gull Herring x Glaucous Gull (hybrid) Herring x Glaucous-winged Gull (hybrid) Herring x Great Black-backed Gull (hybrid) Herring x Iceland Gull (hybrid) Herring x Kelp Gull (hybrid) Herring x Lesser Black-backed Gull (hybrid) Herring/Glaucous-winged Gull Herring/Iceland Gull Herring/Lesser Black-backed Gull Himalayan Snowcock Hispaniolan Parakeet Hispaniolan Parrot Hoary Redpoll Hooded Crane Hooded Crow Hooded Merganser Hooded Oriole Hooded Warbler Hooded x Common Merganser (hybrid) Hooded x Yellow Warbler (hybrid) Hook-billed Kite Horned Grebe Horned Lark Horned Puffin Horned/Eared Grebe House Crow House Finch House Sparrow House Wren House x Eurasian Tree Sparrow (hybrid) House x Fish Crow (hybrid) House x Purple Finch (hybrid) House/Eurasian Tree Sparrow House/Italian Sparrow House/Purple Finch Hudsonian Godwit Hudsonian/Marbled Godwit Hutton's Vireo Hyacinth Macaw Hydrobates sp. Hydrobates sp. (Band-rumped complex) Iceland Gull Icterine Warbler Iiwi Inca Dove Inca Tern Indian Peafowl Indian Silverbill Indian White-eye Indigo Bunting Indigo x Painted Bunting (hybrid) Intermediate Egret Island Canary Island Scrub-Jay Ivory Gull Ivory-billed Woodpecker Jabiru Jack Snipe Jandaya Parakeet Japanese Bush Warbler Japanese Leaf/Arctic/Kamchatka Leaf Warbler Japanese Quail Japanese Tit Java Sparrow Jouanin's Petrel Juan Fernandez Petrel Juniper Titmouse Kalij Pheasant Kamao Kamchatka Leaf Warbler Kauai Amakihi Kauai Elepaio Kauai Nukupuu Kauai Oo Keel-billed Toucan Kelp Gull Kentish/Snowy Plover Kentucky Warbler Kentucky Warbler x Common Yellowthroat (hybrid) Kermadec Petrel Key West Quail-Dove Killdeer King Eider King Rail King x Clapper Rail (hybrid) King x Common Eider (hybrid) King/Clapper Rail King/Common Eider King/Virginia Rail Kirtland's Warbler Kittlitz's Murrelet La Sagra's Flycatcher Labrador Duck Ladder-backed Woodpecker Ladder-backed x Hairy Woodpecker (hybrid) Lady Amherst's Pheasant Lanceolated Warbler Lanner Falcon Lapland Longspur Large-billed Tern Lark Bunting Lark Sparrow Larus sp. Laughing Dove Laughing Gull Laughing Kookaburra Laughing x Ring-billed Gull (hybrid) Laughing/Franklin's Gull Lavender Waxbill Lawrence's Goldfinch Lawrence's Warbler (hybrid) Laysan Albatross Laysan Duck Laysan Finch Laysan x Black-footed Albatross (hybrid) Lazuli Bunting Lazuli x Indigo Bunting (hybrid) Lazuli/Indigo Bunting LeConte's Sparrow LeConte's Thrasher LeConte's/Nelson's Sparrow Leach's Storm-Petrel Leach's/Townsend's Storm-Petrel Leach's/Townsend's Storm-Petrel (dark-rumped) Leach's/Townsend's Storm-Petrel (white-rumped) Leach's/Townsend's/Ainley's Storm-Petrel Least Auklet Least Bittern Least Flycatcher Least Grebe Least Sandpiper Least Storm-Petrel Least Tern Leiothlypis sp. Lesser Black-backed Gull Lesser Flamingo Lesser Frigatebird Lesser Goldfinch Lesser Nighthawk Lesser Prairie-Chicken Lesser Sand-Plover Lesser Scaup Lesser White-fronted Goose Lesser Whitethroat Lesser Yellowlegs Lesser x American Goldfinch (hybrid) Lesser/Greater Roadrunner Lesser/Greater Sand-Plover Lewis's Woodpecker Light-mantled Albatross Lilac-breasted Roller Lilac-crowned Parrot Lilian's Lovebird Limpkin Lincoln's Sparrow Lincoln's/Swamp Sparrow Lined Seedeater Little Blue Heron Little Blue x Tricolored Heron (hybrid) Little Bunting Little Corella Little Curlew Little Egret Little Gull Little Ringed Plover Little Stint Little x Snowy Egret (hybrid) Little/Least Tern Loggerhead Kingbird Loggerhead Shrike Loggerhead/Northern Shrike Lonchura sp. Long-billed Curlew Long-billed Dowitcher Long-billed Murrelet Long-billed Thrasher Long-eared Owl Long-eared/Short-eared Owl Long-legged Buzzard Long-tailed Duck Long-tailed Glossy Starling Long-tailed Jaeger Long-tailed Mockingbird Long-toed Stint Louisiana Waterthrush Louisiana/Northern Waterthrush Lucifer Hummingbird Lucifer x Anna's Hummingbird (hybrid) Lucifer x Black-chinned Hummingbird (hybrid) Lucifer x Costa's Hummingbird (hybrid) Lucy's Warbler MacGillivray's Warbler MacGillivray's Warbler x Common Yellowthroat (hybrid) MacGillivray's x Mourning Warbler (hybrid) MacGillivray's/Mourning Warbler Magnificent Frigatebird Magnolia Warbler Magnolia x Palm Warbler (hybrid) Magnolia x Yellow-rumped Warbler (hybrid) Magpie Goose Magpie Mannikin Magpie Shrike Malabar Parakeet Mallard Mallard x American Black Duck (hybrid) Mallard x Eastern Spot-billed Duck (hybrid) Mallard x Green-winged Teal (hybrid) Mallard x Hawaiian Duck (hybrid) Mallard x Mexican Duck (hybrid) Mallard x Mexican/Mottled Duck (hybrid) Mallard x Mottled Duck (hybrid) Mallard x Northern Pintail (hybrid) Mallard x Redhead (hybrid) Mallard x Ring-necked Duck (hybrid) Mallard/American Black Duck Mallard/Hawaiian Duck Mallard/Mexican Duck Mallard/Mottled Duck Mandarin Duck Maned Duck Mangrove Cuckoo Mangrove Swallow Manx Shearwater Marbled Godwit Marbled Murrelet Mariana Swiftlet Maroon-bellied Parakeet Marsh Sandpiper Marsh Wren Masked Booby Masked Duck Masked Tityra Masked/Nazca Booby Maui Akepa Maui Alauahio Maui Parrotbill McKay's Bunting Mealy Parrot Melanerpes sp. Merlin Mexican Chickadee Mexican Duck Mexican Jay Mexican Violetear Mexican Whip-poor-will Mexican x Mottled Duck (hybrid) Mexican/Mottled Duck Meyer's Parrot Middendorff's Grasshopper Warbler Mikado Pheasant Military Macaw Millerbird Mimidae sp. Mississippi Kite Mississippi/Plumbeous Kite Mitred Parakeet Mitred/Red-masked Parakeet Monk Parakeet Montezuma Quail Morelet's Seedeater Mottled Duck Mottled Owl Mottled Petrel Mountain Bluebird Mountain Chickadee Mountain Plover Mountain Quail Mountain x Boreal Chickadee (hybrid) Mountain x Chestnut-backed Chickadee (hybrid) Mourning Dove Mourning Warbler Mourning Warbler x Common Yellowthroat (hybrid) Mugimaki Flycatcher Murphy's Petrel Muscovy Duck Muscovy Duck x Mallard (hybrid) Mute Swan Mute x Trumpeter Swan (hybrid) Mute x Whooper Swan (hybrid) Myiarchus sp. Myioborus sp. Namaqua Dove Nanday Parakeet Narcissus Flycatcher Nashville Warbler Naumann's Thrush Nazca Booby Nelson's Sparrow Nelson's x Saltmarsh Sparrow (hybrid) Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Neotropic Cormorant Newell's Shearwater Nihoa Finch Northern Beardless-Tyrannulet Northern Bobwhite Northern Bobwhite x California Quail (hybrid) Northern Bobwhite x Scaled Quail (hybrid) Northern Boobook Northern Cardinal Northern Cardinal x Pyrrhuloxia (hybrid) Northern Cardinal/Pyrrhuloxia Northern Flicker Northern Fulmar Northern Gannet Northern Giant-Petrel Northern Goshawk Northern Harrier Northern Hawk Owl Northern Jacana Northern Lapwing Northern Mockingbird Northern Parula Northern Parula x Yellow-throated Warbler (hybrid) Northern Pintail Northern Pintail x Green-winged Teal (hybrid) Northern Pygmy-Owl Northern Red Bishop Northern Red-billed Hornbill Northern Rough-winged Swallow Northern Rough-winged x Violet-green Swallow (hybrid) Northern Saw-whet Owl Northern Shoveler Northern Shoveler x American Wigeon (hybrid) Northern Shoveler x Gadwall (hybrid) Northern Shoveler x Mallard (hybrid) Northern Shrike Northern Waterthrush Northern Wheatear Northern x Gilded Flicker (hybrid) Northern x Tropical Parula (hybrid) Northern/Gilded Flicker Northern/Great Gray Shrike Northern/Tropical Parula Nuttall's Woodpecker Nuttall's x Hairy Woodpecker (hybrid) Nuttall's x Ladder-backed Woodpecker (hybrid) Nuttall's/Ladder-backed Woodpecker Nutting's Flycatcher Oahu Amakihi Oahu Elepaio Oak Titmouse Oak/Juniper Titmouse (Plain Titmouse) Olive Sparrow Olive Warbler Olive-backed Pipit Olive-sided Flycatcher Olive-throated Parakeet Olomao Omao Orange-billed Nightingale-Thrush Orange-breasted Bunting Orange-cheeked Waxbill Orange-crowned Warbler Orange-fronted Parakeet Orange-winged Parrot Orchard Oriole Orchard/Hooded Oriole Oriental Cuckoo Oriental Greenfinch Oriental Pied-Hornbill Oriental Pratincole Oriental Scops-Owl Oriental Turtle-Dove Oriental/Eurasian Magpie Orinoco Goose Osprey Ou Ovenbird Pacific Golden-Plover Pacific Loon Pacific Parrotlet Pacific Swift Pacific Wren Pacific-slope Flycatcher Pacific-slope x Cordilleran Flycatcher (hybrid) Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) Pacific/Winter Wren Paint-billed Crake Painted Bunting Painted Redstart Painted x Slate-throated Redstart (hybrid) Palila Pallas's Bunting Pallas's Grasshopper Warbler Pallas's Gull Pallas's Leaf Warbler Pallas's Rosefinch Palm Warbler Palm x Yellow-rumped Warbler (hybrid) Paradise Shelduck Paradise Tanager Parakeet Auklet Parasitic Jaeger Parasitic/Long-tailed Jaeger Parid sp. Parkinson's Petrel Parrot-billed Seedeater Parus sp. Passenger Pigeon Passer sp. Passerina sp. Patagioenas sp. Peach-fronted Parakeet Pechora Pipit Pectoral Sandpiper Pelagic Cormorant Peregrine Falcon Peregrine x Prairie Falcon (hybrid) Peters's Twinspot Petrochelidon sp. Peucaea sp. Phainopepla Pheucticus sp. Philadelphia Vireo Philadelphia x Red-eyed Vireo (hybrid) Philadelphia/Red-eyed Vireo Philadelphia/Warbling Vireo Philippine Duck Phylloscopus sp. Pica sp. Pied Crow Pied Wheatear Pied-billed Grebe Pigeon Guillemot Pileated Woodpecker Pin-tailed Snipe Pin-tailed Whydah Pine Bunting Pine Flycatcher Pine Grosbeak Pine Siskin Pine Siskin x American Goldfinch (hybrid) Pine Warbler Pink-backed Pelican Pink-footed Goose Pink-footed Shearwater Pinyon Jay Piping Plover Piratic Flycatcher Plain Chachalaca Plain-capped Starthroat Ploceus sp. Plum-headed Parakeet Plumbeous Vireo Plumed Whistling-Duck Podiceps sp. Pomarine Jaeger Pomarine/Long-tailed Jaeger Pomarine/Parasitic Jaeger Poo-uli Prairie Falcon Prairie Warbler Procellaria sp. Procellariid sp. Prothonotary Warbler Providence Petrel Psittacara sp. Psittacula sp. Pterodroma sp. Puaiohi Purple Finch Purple Gallinule Purple Honeycreeper Purple Martin Purple Sandpiper Purple Starling Purple/Cassin's Finch Purplish-backed Jay Pycnonotus sp. Pygmy Nuthatch Pyrrhuloxia Radjah Shelduck Rainbow Lorikeet Rallus sp. Razorbill Red Avadavat Red Crossbill Red Crossbill x Pine Siskin (hybrid) Red Fody Red Junglefowl Red Knot Red Lory Red Phalarope Red Siskin Red Warbler Red-and-green Macaw Red-backed Shrike Red-bellied Woodpecker Red-billed Firefinch Red-billed Leiothrix Red-billed Pigeon Red-billed Tropicbird Red-billed/Red-tailed Tropicbird Red-breasted Goose Red-breasted Merganser Red-breasted Nuthatch Red-breasted Parakeet Red-breasted Sapsucker Red-browed Firetail Red-cheeked Cordonbleu Red-cockaded Woodpecker Red-collared Widowbird Red-crested Cardinal Red-crested Pochard Red-crowned Parrot Red-crowned x Lilac-crowned Parrot (hybrid) Red-crowned x Red-lored Parrot (hybrid) Red-eyed Vireo Red-eyed/Black-whiskered Vireo Red-eyed/Chivi Vireo Red-eyed/Yellow-green Vireo Red-faced Cormorant Red-faced Warbler Red-flanked Bluetail Red-footed Booby Red-footed Falcon Red-headed Lovebird Red-headed Woodpecker Red-legged Honeycreeper Red-legged Kittiwake Red-legged Partridge Red-legged Thrush Red-legged/Rock Partridge Red-lored Parrot Red-masked Parakeet Red-naped Sapsucker Red-naped x Red-breasted Sapsucker (hybrid) Red-naped/Red-breasted Sapsucker Red-necked Grebe Red-necked Phalarope Red-necked Stint Red-necked/Little Stint Red-necked/Red Phalarope Red-rumped Parrot Red-shouldered Hawk Red-shouldered Macaw Red-shouldered x Broad-winged Hawk (hybrid) Red-shouldered x Red-tailed Hawk (hybrid) Red-shouldered/Broad-winged Hawk Red-spectacled Parrot Red-tailed Hawk Red-tailed Tropicbird Red-tailed x Ferruginous Hawk (hybrid) Red-tailed x Rough-legged Hawk (hybrid) Red-throated Loon Red-throated Pipit Red-vented Bulbul Red-vented/Red-whiskered Bulbul Red-whiskered Bulbul Red-winged Blackbird Red-winged/Tricolored Blackbird Red/Cassia Crossbill Reddish Egret Redhead Redhead x Greater Scaup (hybrid) Redhead x Lesser Scaup (hybrid) Redhead x Ring-necked Duck (hybrid) Redhead x scaup sp. (hybrid) Redwing Reed Bunting Reeves's Pheasant Rhinoceros Auklet Ridgway's Rail Ridgway's/Mangrove/Clapper Rail Ring-billed Gull Ring-necked Dove Ring-necked Duck Ring-necked Duck x Greater Scaup (hybrid) Ring-necked Duck x Lesser Scaup (hybrid) Ring-necked Duck x scaup sp. (hybrid) Ring-necked Pheasant Ring-necked x Tufted Duck (hybrid) Ring-necked/Green Pheasant Ringed Kingfisher Ringed Storm-Petrel Ringed Teal River Warbler Rivoli's Hummingbird Rivoli's x Berylline Hummingbird (hybrid) Roadside Hawk Rock Pigeon Rock Ptarmigan Rock Sandpiper Rock Wren Rock/Band-tailed Pigeon Rose-breasted Grosbeak Rose-breasted x Black-headed Grosbeak (hybrid) Rose-breasted/Black-headed Grosbeak Rose-ringed Parakeet Rose-throated Becard Roseate Spoonbill Roseate Tern Roseate x Common Tern (hybrid) Ross's Goose Ross's Gull Ross's x Cackling Goose (hybrid) Ross's x Canada Goose (hybrid) Ross's x Greater White-fronted Goose (hybrid) Rosy-billed Pochard Rosy-faced Lovebird Rough-legged Hawk Royal Tern Royal/Elegant Tern Ruby-crowned Kinglet Ruby-crowned/Golden-crowned Kinglet Ruby-throated Hummingbird Ruby-throated x Black-chinned Hummingbird (hybrid) Ruby-throated/Black-chinned Hummingbird Ruddy Duck Ruddy Ground Dove Ruddy Quail-Dove Ruddy Shelduck Ruddy Turnstone Ruddy x Common Shelduck (hybrid) Ruff Ruffed Grouse Ruffed/Spruce Grouse Rufous Hummingbird Rufous x Allen's Hummingbird (hybrid) Rufous x Broad-tailed Hummingbird (hybrid) Rufous-backed Robin Rufous-capped Warbler Rufous-collared Sparrow Rufous-crowned Sparrow Rufous-necked Wood-Rail Rufous-tailed Robin Rufous-tailed Rock-Thrush Rufous-winged Sparrow Rufous/Allen's Hummingbird Rustic Bunting Rusty Blackbird Rusty/Brewer's Blackbird Sabine's Gull Saffron Finch Sage Thrasher Sagebrush Sparrow Sagebrush/Bell's Sparrow (Sage Sparrow) Saker Falcon Salmon-crested Cockatoo Salmon-crested x White Cockatoo (hybrid) Saltmarsh Sparrow Salvadori's Pheasant Salvin's Albatross San Blas Jay Sanderling Sandhill Crane Sandhill x Common Crane (hybrid) Sandhill x Whooping Crane (hybrid) Sandwich Tern Sandwich x Elegant Tern (hybrid) Savanna Hawk Savannah Sparrow Say's Phoebe Scaled Quail Scaled x Gambel's Quail (hybrid) Scaly-breasted Munia Scaly-headed Parrot Scaly-naped Pigeon Scarlet Ibis Scarlet Macaw Scarlet Tanager Scarlet Tanager x Rose-breasted Grosbeak (hybrid) Scarlet-fronted Parakeet Scissor-tailed Flycatcher Scolopacidae sp. Scott's Oriole Scripps's Murrelet Scripps's/Craveri's Murrelet Scripps's/Guadalupe Murrelet (Xantus's Murrelet) Scripps's/Guadalupe/Craveri's Murrelet Seaside Sparrow Sedge Warbler Sedge Wren Sedge/Marsh Wren Selasphorus sp. Semipalmated Plover Semipalmated Sandpiper Semipalmated/Western Sandpiper Senegal Parrot Serinus sp. Setophaga sp. Sharp-shinned Hawk Sharp-shinned/Cooper's Hawk Sharp-tailed Grouse Sharp-tailed Grouse x Greater Prairie-Chicken (hybrid) Sharp-tailed Sandpiper Sharp-tailed/Pectoral Sandpiper Shiny Cowbird Shiny/Bronzed Cowbird Shiny/Brown-headed Cowbird Short-billed Dowitcher Short-billed Gull Short-billed/Long-billed Dowitcher Short-eared Owl Short-tailed Albatross Short-tailed Hawk Short-tailed Shearwater Siberian Accentor Siberian Blue Robin Siberian Rubythroat Siberian/Amur Stonechat Silver Gull Silver Pheasant Silver Teal Silver-beaked Tanager Sinaloa Wren Slate-throated Redstart Slaty-backed Gull Slaty-backed x Glaucous Gull (hybrid) Slaty-backed x Glaucous-winged Gull (hybrid) Small-billed Elaenia Small-billed/White-crested Elaenia Smew Smith's Longspur Smooth-billed Ani Smooth-billed/Groove-billed Ani Snail Kite Snow Bunting Snow Goose Snow Goose x Brant (hybrid) Snow x Cackling Goose (hybrid) Snow x Canada Goose (hybrid) Snow x Greater White-fronted Goose (hybrid) Snow x McKay's Bunting (hybrid) Snow x Ross's Goose (hybrid) Snow/McKay's Bunting Snow/Ross's Goose Snow/Ross's x Cackling/Canada Goose (hybrid) Snowy Egret Snowy Egret x Little Blue Heron (hybrid) Snowy Egret x Tricolored Heron (hybrid) Snowy Owl Snowy Plover Social Flycatcher Solitary Sandpiper Solitary Snipe Song Sparrow Song Thrush Song x Swamp Sparrow (hybrid) Sooty Grouse Sooty Shearwater Sooty Tern Sooty/Bridled Tern Sooty/Short-tailed Shearwater Sora South African Shelduck South Polar Skua Southern Cordonbleu Southern Lapwing Southern Martin Southern Masked-Weaver Southern Pochard Southern Red Bishop Speckled Pigeon Spectacled Eider Spectacled x King Eider (hybrid) Spinus sp. Spizella sp. Spizella sp./American Tree Sparrow Spoon-billed Sandpiper Sporophila sp. Spot-breasted Oriole Spotted Dove Spotted Flycatcher Spotted Owl Spotted Rail Spotted Redshank Spotted Sandpiper Spotted Towhee Spotted x Barred Owl (hybrid) Spotted x Eastern Towhee (hybrid) Spotted/Barred Owl Spotted/Eastern Towhee (Rufous-sided Towhee) Sprague's Pipit Spruce Grouse Spur-winged Lapwing Stejneger's Petrel Stejneger's Scoter Steller's Eider Steller's Jay Steller's Jay x Woodhouse's Scrub-Jay (hybrid) Steller's Sea-Eagle Steller's x Blue Jay (hybrid) Sterna sp. Stilt Sandpiper Streak-backed Oriole Streaked Shearwater Streaked/Sulphur-bellied Flycatcher Streaky Seedeater Streptopelia sp. Striped Sparrow Strix sp. Sturnella meadowlark sp. Stygian Owl Sudan Golden Sparrow Sulphur-bellied Flycatcher Sulphur-crested Cockatoo Summer Tanager Summer x Western Tanager (hybrid) Summer/Scarlet Tanager Sun Parakeet Sungrebe Superb Starling Surf Scoter Surf x White-winged Scoter (hybrid) Surf/Black Scoter Surfbird Swainson's Hawk Swainson's Thrush Swainson's Warbler Swainson's x Rough-legged Hawk (hybrid) Swallow-tailed Gull Swallow-tailed Kite Swamp Sparrow Swan Goose Swan Goose x Canada Goose (hybrid) Swinhoe's Storm-Petrel Swinhoe's White-eye Tachycineta sp. Tahiti Petrel Taiga Bean-Goose Taiga Flycatcher Taiga/Tundra Bean-Goose Tamaulipas Crow Tanimbar Corella Taveta Golden-Weaver Tawny-shouldered Blackbird Temminck's Stint Tennessee Warbler Terek Sandpiper Thalasseus sp. Thick-billed Kingbird Thick-billed Longspur Thick-billed Murre Thick-billed Parrot Thick-billed Vireo Thick-billed Warbler Timaliidae sp. Togo Paradise-Whydah Townsend's Solitaire Townsend's Storm-Petrel Townsend's Warbler Townsend's x Black-throated Green Warbler (hybrid) Townsend's x Hermit Warbler (hybrid) Townsend's/Hermit Warbler Toxostoma sp. Tree Pipit Tree Swallow Tree x Barn Swallow (hybrid) Tree x Violet-green Swallow (hybrid) Tree/Olive-backed Pipit Tree/Violet-green Swallow Tricolored Blackbird Tricolored Heron Tricolored Munia Trindade Petrel Trindade/Herald Petrel Tringa sp. Tristram's Storm-Petrel Tropical Kingbird Tropical Mockingbird Tropical Parula Tropical x Gray Kingbird (hybrid) Tropical x Northern Mockingbird (hybrid) Tropical/Couch's Kingbird Tropical/Northern Mockingbird Trumpeter Swan Trumpeter x Tundra Swan (hybrid) Trumpeter x Whooper Swan (hybrid) Trumpeter/Tundra Swan Tufted Duck Tufted Duck x Greater Scaup (hybrid) Tufted Duck x Lesser Scaup (hybrid) Tufted Duck x scaup sp. (hybrid) Tufted Flycatcher Tufted Puffin Tufted Titmouse Tufted x Black-crested Titmouse (hybrid) Tufted/Black-crested Titmouse Tundra Bean-Goose Tundra Swan Tundra/Whooper Swan Turdus sp. Turkey Vulture Turquoise-fronted Parrot Tyrannus sp. Upland Goose Upland Sandpiper Variable Hawk Varied Bunting Varied Thrush Varied Thrush/American Robin Varied x Painted Bunting (hybrid) Variegated Flycatcher Vaux's Swift Veery Veery x Bicknell's Thrush (hybrid) Velvet/White-winged/Stejneger's Scoter Venezuelan Troupial Verdin Vermilion Flycatcher Vesper Sparrow Vidua sp. Village Indigobird Village Weaver Vinous-throated Parrotbill Violet-crowned Hummingbird Violet-green Swallow Violet-green x Cliff Swallow (hybrid) Virginia Rail Virginia's Warbler Vitelline Masked-Weaver Wandering Albatross Wandering Tattler Warbling Vireo Warbling White-eye Warbling x Red-eyed Vireo (hybrid) Wedge-rumped Storm-Petrel Wedge-tailed Shearwater West Indian Whistling-Duck Western Bluebird Western Grebe Western Gull Western Kingbird Western Kingbird x Scissor-tailed Flycatcher (hybrid) Western Meadowlark Western Red-billed Hornbill Western Reef-Heron Western Sandpiper Western Screech-Owl Western Spindalis Western Tanager Western Wood-Pewee Western x Clark's Grebe (hybrid) Western x Eastern Kingbird (hybrid) Western x Eastern Meadowlark (hybrid) Western x Eastern Screech-Owl (hybrid) Western x Eastern Wood-Pewee (hybrid) Western x Flame-colored Tanager (hybrid) Western x Glaucous-winged Gull (hybrid) Western x Mountain Bluebird (hybrid) Western/Chihuahuan Meadowlark Western/Clark's Grebe Western/Eastern Meadowlark Western/Eastern Wood-Pewee Western/Eastern Yellow Wagtail Western/Glaucous-winged Gull Western/Yellow-footed Gull Whimbrel Whiskered Auklet Whiskered Screech-Owl Whiskered Tern White Cockatoo White Ibis White Tern White Wagtail White x Scarlet Ibis (hybrid) White-breasted Nuthatch White-capped Albatross White-capped/Salvin's/Chatham Albatross White-cheeked Pintail White-cheeked Turaco White-chinned Petrel White-collared Swift White-crested Elaenia White-crested Laughingthrush White-crowned Parrot White-crowned Pigeon White-crowned Sparrow White-crowned x Golden-crowned Sparrow (hybrid) White-crowned x Harris's Sparrow (hybrid) White-crowned x White-throated Sparrow (hybrid) White-crowned/White-throated Sparrow White-eared Bulbul White-eared Hummingbird White-eyed Parakeet White-eyed Vireo White-faced Ibis White-faced Storm-Petrel White-faced Whistling-Duck White-fronted Parrot White-headed Munia White-headed Woodpecker White-lined Tanager White-necked Petrel White-necked Raven White-rumped Munia White-rumped Sandpiper White-rumped Seedeater White-rumped Shama White-rumped x Buff-breasted Sandpiper (hybrid) White-tailed Eagle White-tailed Hawk White-tailed Kite White-tailed Ptarmigan White-tailed Tropicbird White-throated Magpie-Jay White-throated Needletail White-throated Sparrow White-throated Swift White-throated Thrush White-tipped Dove White-winged Crossbill White-winged Dove White-winged Parakeet White-winged Scoter White-winged Tern White-winged Widowbird White-winged x Yellow-chevroned Parakeet (hybrid) White-winged/Stejneger's Scoter White-winged/Yellow-chevroned Parakeet Whooper Swan Whooping Crane Wild Turkey Willet Williamson's Sapsucker Willow Flycatcher Willow Ptarmigan Willow Warbler Wilson's Phalarope Wilson's Plover Wilson's Snipe Wilson's Storm-Petrel Wilson's Warbler Winter Wren Wood Duck Wood Duck x Hooded Merganser (hybrid) Wood Duck x Mallard (hybrid) Wood Sandpiper Wood Stork Wood Thrush Wood Warbler Woodhouse's Scrub-Jay Worm-eating Warbler Worthen's Sparrow Wrentit Xantus's Hummingbird Yellow Bittern Yellow Grosbeak Yellow Rail Yellow Warbler Yellow x Prairie Warbler (hybrid) Yellow-bellied Flycatcher Yellow-bellied Sapsucker Yellow-bellied x Red-breasted Sapsucker (hybrid) Yellow-bellied x Red-naped Sapsucker (hybrid) Yellow-bellied/Red-naped Sapsucker Yellow-billed Cardinal Yellow-billed Cuckoo Yellow-billed Loon Yellow-billed Magpie Yellow-billed Pintail Yellow-billed/Black-billed Cuckoo Yellow-breasted Bunting Yellow-breasted Chat Yellow-breasted Chat x new world oriole sp. (hybrid) Yellow-browed Warbler Yellow-chevroned Parakeet Yellow-collared Lovebird Yellow-crested Cockatoo Yellow-crowned Bishop Yellow-crowned Night-Heron Yellow-crowned Parrot Yellow-eyed Junco Yellow-faced Grassquit Yellow-faced Parrotlet Yellow-footed Gull Yellow-fronted Canary Yellow-fronted Parrot Yellow-green Vireo Yellow-headed Blackbird Yellow-headed Caracara Yellow-headed Parrot Yellow-legged Gull Yellow-legged/Lesser Black-backed Gull Yellow-lored Parrot Yellow-naped Parrot Yellow-nosed Albatross Yellow-rumped Warbler Yellow-rumped x Black-throated Gray Warbler (hybrid) Yellow-rumped x Grace's Warbler (hybrid) Yellow-rumped x Townsend's Warbler (hybrid) Yellow-rumped x Yellow-throated Warbler (hybrid) Yellow-throated Bunting Yellow-throated Vireo Yellow-throated Warbler Yellow-throated x Blue-headed Vireo (hybrid) Yellowhammer Yucatan Vireo Zanzibar Red Bishop Zebra Dove Zebra Finch Zebra Waxbill Zenaida Dove Zino's Petrel Zino's/Fea's Petrel Zone-tailed Hawk Zonotrichia sp. Zosterops sp. albatross sp. alcid sp. auklet sp. bird sp. black-and-white shearwater sp. blackbird sp. bluebird sp. booby sp. chickadee sp. coot sp. cordonbleu sp. corella/cockatoo sp. cormorant sp. corvid sp. crane sp. crossbill sp. crow sp. crow/raven sp. cuckoo sp. (Cuculidae sp.) curlew sp. dabbling duck sp. diurnal raptor sp. duck sp. eagle sp. eider sp. elaenia sp. (genus Elaenia) estrildid finch sp. falcon sp. finch sp. flamingo sp. francolin/spurfowl sp. frigatebird sp. gnatcatcher sp. godwit sp. golden-plover sp. goldeneye sp. x Hooded Merganser (hybrid) goose sp. grackle sp. grebe sp. ground dove/Inca Dove grouse sp. gull sp. gull/tern sp. harrier sp. hawaiian honeycreeper sp. hawk sp. heron sp. hornbill sp. hummingbird sp. ibis sp. jaeger sp. jaeger/skua sp. jay sp. kingfisher sp. large albatross sp. large alcid sp. large falcon sp. large macaw sp. large parakeet sp. (former Aratinga sp.) large rail sp. large shorebird sp. large swift sp. large tern sp. large toucan sp. longspur sp. loon sp. lovebird sp. merganser sp. moorhen/coot/gallinule sp. murrelet sp. myna/starling sp. new world flycatcher sp. new world goldfinch sp. new world martin sp. (Progne sp.) new world oriole sp. new world quail sp. new world sparrow sp. new world vulture sp. new world warbler sp. nighthawk sp. nightjar sp. nuthatch sp. old world quail sp. old world warbler sp. owl sp. oystercatcher sp. paradise-whydah sp. parakeet sp. parrot sp. passerine sp. peep sp. pelican sp. pewee sp. (Contopus sp.) phalarope sp. pheasant sp. phoebe sp. pigeon/dove sp. pipit sp. plover sp. ptarmigan sp. puffin sp. pygmy-owl/saw-whet owl sp. quail-dove sp. rail/crake sp. rainbow lorikeet sp. raven sp. redpoll sp. rosy-finch sp. sapsucker sp. scoter sp. screech-owl sp. shearwater sp. shorebird sp. shrike sp. skua sp. small albatross sp. small bittern sp. small falcon sp. small plover sp. small swift sp. snipe sp. solitary vireo sp. sparrow/warbler sp. (trilling song) stilt/avocet sp. stork sp. storm-petrel sp. storm-petrel sp. (dark-rumped) storm-petrel sp. (white-rumped) sulid sp. swallow sp. swamphen sp. swan sp. swift sp. tanager sp. (Piranga sp.) teal sp. tern sp. thrush sp. towhee sp. tropicbird sp. vireo sp. vireo sp. (Red-eyed Vireo complex) wagtail sp. waterfowl sp. waxbill sp. whistling-duck sp. white egret sp. white-eye sp. white-winged gull sp. whydah sp. woodpecker sp. wren sp. yellow-bellied kingbird sp. yellowthroat sp.
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