This list of birds of Wyoming includes species documented in the U.S. state of Wyoming by the Wyoming Game and Fish Department (WGFD) as of May 2021 with some additions from Avibase. The list contains 452 species. Of them, 118 are classed as accidental, and seven species have been introduced to North America.

This list is presented in the taxonomic sequence of the Check-list of North and Middle American Birds, 7th edition through the 62nd Supplement, published by the American Ornithological Society (AOS). Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them.

List of birds of Wyoming

Unless otherwise noted, all species listed below are considered to occur regularly in Wyoming as permanent residents, summer or winter visitors, or migrants. These tags are used to annotate some species:

List of birds of Wyoming

(A) Accidental - "species with accidental, unpredictable, occurrence" per WGFD

(I) Introduced - a species established in North America as a result of human action

List of birds of Wyoming

Ducks, geese, and waterfowl

Order: AnseriformesFamily: Anatidae

The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils. Forty-one species have been recorded in Wyoming.

Snow goose, Anser caerulescens

Ross's goose, Anser rossii

Greater white-fronted goose, Anser albifrons

Brant, Branta bernicla (A) Cackling goose, Branta hutchinsii (A) Canada goose, Branta canadensis Trumpeter swan, Cygnus buccinator Tundra swan, Cygnus columbianus Whooper swan, Cygnus cygnus (A) Wood duck, Aix sponsa Garganey, Spatula querquedula (A) Blue-winged teal, Spatula discors Cinnamon teal, Spatula cyanoptera Northern shoveler, Spatula clypeata Gadwall, Mareca strepera Eurasian wigeon, Mareca penelope (A) American wigeon, Mareca americana Mallard, Anas platyrhynchos Mexican duck, Anas diazi (A) American black duck, Anas rubripes (A) Mottled duck, Anas fulvigula (A) Northern pintail, Anas acuta Green-winged teal, Anas crecca Canvasback, Aythya valisineria Redhead, Aythya americana Ring-necked duck, Aythya collaris Tufted duck, Aythya fuligula (A) Greater scaup, Aythya marila Lesser scaup, Aythya affinis Harlequin duck, Histrionicus histrionicus Surf scoter, Melanitta perspicillata White-winged scoter, Melanitta deglandi Black scoter, Melanitta americana (A) Long-tailed duck, Clangula hyemalis Bufflehead, Bucephala albeola Common goldeneye, Bucephala clangula Barrow's goldeneye, Bucephala islandica Hooded merganser, Lophodytes cucullatus Common merganser, Mergus merganser Red-breasted merganser, Mergus serrator Ruddy duck, Oxyura jamaicensis

New World quail

Order: GalliformesFamily: Odontophoridae

The New World quails are small, plump terrestrial birds only distantly related to the quails of the Old World, but named for their similar appearance and habits. One species has been recorded in Wyoming.

Northern bobwhite, Colinus virginianus

California quail, Callipepla californica (A)

Pheasants, grouse, and allies

Order: GalliformesFamily: Phasianidae

Phasianidae consists of the pheasants and their allies. These are terrestrial species, variable in size but generally plump with broad relatively short wings. Many species are gamebirds or have been domesticated as a food source for humans. Ten species have been recorded in Wyoming.

Wild turkey, Meleagris gallopavo

Ruffed grouse, Bonasa umbellus

Greater sage-grouse, Centrocercus urophasianus

White-tailed ptarmigan, Lagopus leucurus

Dusky grouse, Dendragapus obscurus

Sharp-tailed grouse, Tympanuchus phasianellus

Greater prairie-chicken, Tympanuchus cupido (A) Gray partridge, Perdix perdix (I) Ring-necked pheasant, Phasianus colchicus (I) Chukar, Alectoris chukar (I)

Grebes

Order: PodicipediformesFamily: Podicipedidae

Grebes are small to medium-large freshwater diving birds. They have lobed toes and are excellent swimmers and divers. However, they have their feet placed far back on the body, making them quite ungainly on land. Six species have been recorded in Wyoming.

Pied-billed grebe, Podilymbus podiceps

Horned grebe, Podiceps auritus

Red-necked grebe, Podiceps grisegena (A) Eared grebe, Podiceps nigricollis Western grebe, Aechmorphorus occidentalis Clark's grebe, Aechmorphorus clarkii