| CAGO | Canada Goose |
| WODU | Wood Duck |
| GADW | Gadwall |
| AMWI | American Wigeon |
| MALL | Mallard |
| BWTE | Blue-winged Teal |
| CITE | Cinnamon Teal |
| NOSL | Northern Shoveler |
| GWTE | Green-winged Teal |
| CANV | Canvasback |
| REDH | Redhead |
| RNDU | Ring-necked Duck |
| LESC | Lesser Scaup |
| HADU | Harlequin Duck |
| BUFF | Bufflehead |
| COGO | Common Goldeneye |
| BAGO | Barrow's Goldeneye |
| HOME | Hooded Merganser |
| COME | Common Merganser |
| RUGR | Ruffed Grouse |
| SPGR | Spruce Grouse |
| WTPT | White-tailed Ptarmigan |
| DUGR | Dusky Grouse |
| COLO | Common Loon |
| PBGR | Pied-billed Grebe |
| HOGR | Horned Grebe |
| RNGR | Red-necked Grebe |
| EAGR | Eared Grebe § |
| AMBI | American Bittern † |
| GBHE | Great Blue Heron § |
| TUVU | Turkey Vulture ‡ |
| OSPR | Osprey |
| BAEA | Bald Eagle |
| NOHA | Northern Harrier |
| SSHA | Sharp-shinned Hawk |
| COHA | Cooper's Hawk |
| NOGO | Northern Goshawk |
| RTHA | Red-tailed Hawk |
| GOEA | Golden Eagle |
| AMKE | American Kestrel |
| MERL | Merlin |
| PEFA | Peregrine Falcon † |
| PRFA | Prairie Falcon † |
| SORA | Sora |
| AMCO | American Coot |
| SACR | Sandhill Crane |
| KILL | Killdeer |
| SPSA | Spotted Sandpiper |
| LBCU | Long-billed Curlew † |
| WISN | Wilson's Snipe |
| BLTE | Black Tern § |
| MODO | Mourning Dove |
| GHOW | Great Horned Owl |
| NHOW | Northern Hawk Owl |
| NPOW | Northern Pygmy-Owl |
| BDOW | Barred Owl |
| GGOW | Great Gray Owl |
| LEOW | Long-eared Owl ‡ |
|
| SEOW | Short-eared Owl † |
| BOOW | Boreal Owl |
| NSWO | Northern Saw-whet Owl |
| CONI | Common Nighthawk |
| BLSW | Black Swift |
| VASW | Vaux's Swift |
| CAHU | Calliope Hummingbird |
| RUHU | Rufous Hummingbird |
| BEKI | Belted Kingfisher |
| YBSA | Yellow-bellied Sapsucker |
| RNSA | Red-naped Sapsucker |
| RBSA | Red-breasted Sapsucker |
| SAPS | Unknown Sapsucker |
| SAHY | Sapsucker hybrid |
| DOWO | Downy Woodpecker |
| HAWO | Hairy Woodpecker |
| ATTW | American Three-toed Woodpecker |
| BBWO | Black-backed Woodpecker |
| NOFL | Northern Flicker |
| PIWO | Pileated Woodpecker |
| OSFL | Olive-sided Flycatcher † |
| WWPE | Western Wood-Pewee |
| ALFL | Alder Flycatcher |
| WIFL | Willow Flycatcher |
| LEFL | Least Flycatcher |
| HAFL | Hammond's Flycatcher |
| DUFL | Dusky Flycatcher |
| PSFL | Pacific-slope Flycatcher |
| EAKI | Eastern Kingbird |
| NOSH | Northern Shrike ‡ |
| CAVI | Cassin's Vireo |
| WAVI | Warbling Vireo |
| REVI | Red-eyed Vireo |
| GRJA | Gray Jay |
| STJA | Steller's Jay |
| BLJA | Blue Jay ‡ |
| CLNU | Clark's Nutcracker |
| BBMA | Black-billed Magpie |
| AMCR | American Crow |
| CORA | Common Raven |
| HOLA | Horned Lark |
| TRSW | Tree Swallow |
| VGSW | Violet-green Swallow |
| NRWS | Northern Rough-winged Swallow |
| BKSW | Bank Swallow § |
| CLSW | Cliff Swallow § |
| BASW | Barn Swallow § |
| BCCH | Black-capped Chickadee |
| MOCH | Mountain Chickadee |
| CBCH | Chestnut-backed Chickadee |
| BOCH | Boreal Chickadee |
| RBNU | Red-breasted Nuthatch |
| BRCR | Brown Creeper |
| PAWR | Pacific Wren |
| MAWR | Marsh Wren ‡ |
| AMDI | American Dipper |
| GCKI | Golden-crowned Kinglet |
| RCKI | Ruby-crowned Kinglet |
|
| MOBL | Mountain Bluebird |
| TOSO | Townsend's Solitaire |
| VEER | Veery |
| SWTH | Swainson's Thrush |
| HETH | Hermit Thrush |
| AMRO | American Robin |
| VATH | Varied Thrush |
| GRCA | Gray Catbird ‡ |
| EUST | European Starling |
| AMPI | American Pipit |
| CEWA | Cedar Waxwing |
| TEWA | Tennessee Warbler |
| OCWA | Orange-crowned Warbler |
| YEWA | Yellow Warbler |
| MGNW | Magnolia Warbler |
| YRWA | Yellow-rumped Warbler |
| MYWA | Yellow-rumped Warbler (Myrtle) |
| AUWA | Yellow-rumped Warbler (Audubon's) |
| TOWA | Townsend's Warbler |
| BKPW | Blackpoll Warbler |
| AMRE | American Redstart |
| OVEN | Ovenbird |
| NOWA | Northern Waterthrush |
| MACW | MacGillivray's Warbler |
| COYE | Common Yellowthroat |
| WIWA | Wilson's Warbler |
| CHSP | Chipping Sparrow |
| CCSP | Clay-colored Sparrow |
| VESP | Vesper Sparrow ‡ |
| SAVS | Savannah Sparrow |
| LCSP | Le Conte's Sparrow † |
| FOSP | Fox Sparrow |
| SOSP | Song Sparrow |
| LISP | Lincoln's Sparrow |
| WTSP | White-throated Sparrow |
| WCSP | White-crowned Sparrow |
| GCSP | Golden-crowned Sparrow |
| DEJU | Dark-eyed Junco |
| WETA | Western Tanager |
| BOBO | Bobolink † |
| RWBL | Red-winged Blackbird |
| WEME | Western Meadowlark |
| YHBL | Yellow-headed Blackbird § |
| RUBL | Rusty Blackbird † |
| BRBL | Brewer's Blackbird |
| BHCO | Brown-headed Cowbird |
| GCRF | Gray-crowned Rosy-Finch |
| PIGR | Pine Grosbeak |
| PUFI | Purple Finch |
| CAFI | Cassin's Finch ‡ |
| HOFI | House Finch ‡ |
| RECR | Red Crossbill |
| WWCR | White-winged Crossbill |
| PISI | Pine Siskin |
| EVGR | Evening Grosbeak |
| HOSP | House Sparrow |
|