Wildlife of Boulder County

Boulder County is comprised of 740 square miles of land nestled along the front range of Colorado just 30 miles northwest of Denver. Its proximity to the mountains, diverse landscapes, and various designated open spaces make the county ideal for observing local and even migrating wildlife. ...more ↓

Prairie Dogs ¹
Cynomys

Sora ²
Porzana carolina

Virginia Rail ³
Rallus limicola

American Coot ⁴
Fulica americana

Wild Turkey ⁵
Meleagris gallopavo

White-tailed Ptarmigan ⁶
Lagopus leucura

Ring-necked Pheasant ⁷
Phasianus colchicus

Greater Prairie-Chicken ⁸
Tympanuchus cupido

Dusky Grouse ⁹
Dendragapus obscurus

Greater Sage-Grouse ¹⁰
Centrocercus urophasianus

Belted Kingfisher ¹¹
Megaceryle alcyon

Eurasian Collared Dove ¹²
Streptopelia decaocto

Rock Dove ¹³
Columba livia

Band-tailed Pigeon ¹⁴
Patagioenas fasciata

Mourning Dove ¹⁵
Zenaida macroura

White-winged Dove ¹⁶
Zenaida asiatica

White-faced Ibis ¹⁷
Plegadis chihi

Baird's Sandpiper ¹⁸
Calidris bairdii

Semipalmated Sandpiper ¹⁹
Calidris pusilla

Least Sandpiper ²⁰
Calidris minutilla

Long-billed Dowitcher ²¹
Limnodromus scolopaceus

Solitary Sandpiper ²²
Tringa solitaria

Greater Yellowlegs ²²
Tringa melanoleuca

Lesser Yellowlegs ²³
Tringa flavipes

Common Snipe ²⁴
Gallinago gallinago

Upland Sandpiper ⁹
Bartramia longicauda

Eared Grebe ²⁵
Podiceps nigricollis

Red-necked Grebe ²⁶
Podiceps grisegena

Clark's Grebe ²²
Aechmophorus clarkii

Western Grebe ²
Aechmophorus occidentalis

Pied-billed Grebe ²⁷
Podilymbus podiceps

Double-crested Cormorant ²⁸
Phalacrocorax auritus

Neotropic Cormorant ²⁹
Phalacrocorax brasilianus

Brown Pelican ³⁰
Pelecanus occidentalis

American White Pelican ³¹
Pelecanus erythrorhynchos

Ring-billed Gull ³²
Larus delawarensis

Herring Gull ³³
Larus argentatus

California Gull ³⁴
Larus californicus

Forster's Tern ³⁵
Sterna forsteri

Black Tern ³⁶
Chlidonias niger

Sabine's Gull ⁹
Xema sabini

Common Loon ⁹
Gavia immer

Prairie Falcon ³⁷
Falco mexicanus

Peregrine Falcon ³⁸
Falco peregrinus

American Kestrel ³⁹
Falco sparverius

Merlin ³⁷
Falco columbarius

Turkey Vulture ⁴⁰
Cathartes aura

Killdeer ⁴¹
Charadrius vociferus

Mountain Plover ⁴²
Charadrius montanus

Semipalmated Plover ⁴³
Charadrius semipalmatus

American Avocet ⁴⁴
Recurvirostra americana

Snowy Egret ⁴⁵
Egretta thula

Great Blue Heron ²
Ardea herodias

Black-crowned Night Heron ⁴⁶
Nycticorax nycticorax

Cattle Egret ⁴²
Bubulcus ibis

American Bittern ⁴⁷
Botaurus lentiginosus

Golden Eagle ⁴⁸
Aquila chrysaetos

Sharp-shinned Hawk ¹¹
Accipiter striatus

Northern Goshawk ⁴⁹
Accipiter gentilis

Cooper's Hawk ⁵⁰
Accipiter cooperii

Ferruginous Hawk ⁵¹
Buteo regalis

Swainson's Hawk ⁵¹
Buteo swainsoni

Rough-legged Hawk ⁵²
Buteo lagopus

Red-tailed Hawk ⁵³
Buteo jamaicensis

Broad-winged Hawk ⁵⁴
Buteo platypterus

Bald Eagle ⁵⁵
Haliaeetus leucocephalus

Rufous Hummingbird ⁵³
Selasphorus rufus

Broad-tailed Hummingbird ⁵⁶
Selasphorus platycercus

Black-chinned Hummingbird ⁵⁷
Archilochus alexandri

Magnificent Hummingbirds ⁹
Eugenes

White-throated Swift ⁵⁸
Aeronautes saxatalis

Chimney Swift ⁴²
Chaetura pelagica

Black Swift ⁵⁹
Cypseloides niger

Trumpeter Swan ⁶⁰
Cygnus buccinator

Tundra Swan ⁶¹
Cygnus columbianus

Mallard ⁶²
Anas platyrhynchos

Northern Pintail ⁶³
Anas acuta

Green-winged Teal ²⁴
Anas crecca

Gadwall ⁶⁴
Anas strepera

Northern Shoveler ⁶⁵
Anas clypeata

Common Goldeneye ¹⁴
Bucephala clangula

Bufflehead ⁶⁵
Bucephala albeola

Red-breasted Merganser ⁶⁶
Mergus serrator

Common Merganser ⁶⁴
Mergus merganser

Ring-necked Duck ⁶⁵
Aythya collaris

Tufted Duck ⁶⁵
Aythya fuligula

Greater Scaup
Aythya marila

Lesser Scaup ⁶⁷
Aythya affinis

Redhead
Aythya americana

Canvasback ⁹
Aythya valisineria

Ruddy Duck ²⁵
Oxyura jamaicensis

Canada Goose ⁶⁸
Branta canadensis

Wood Duck ⁶⁹
Aix sponsa

Hooded Merganser ⁷⁰
Lophodytes cucullatus

Horned Lark ⁷¹
Eremophila alpestris

Cedar Waxwing ⁷²
Bombycilla cedrorum

Bohemian Waxwing ⁶⁵
Bombycilla garrulus

Brown Creeper ⁷³
Certhia americana

Canyon Wren ⁷⁴
Catherpes mexicanus

Rock Wren ⁹
Salpinctes obsoletus

Edited by srupinsky, Melanie Hill, Deborah H Price, and Dave Sutherland, some rights reserved (CC BY-SA)

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Wildlife of Boulder County

Prairie Dogs 1 Cynomys

Sora 2 Porzana carolina

Virginia Rail 3 Rallus limicola

American Coot 4 Fulica americana

Wild Turkey 5 Meleagris gallopavo

White-tailed Ptarmigan 6 Lagopus leucura

Ring-necked Pheasant 7 Phasianus colchicus

Greater Prairie-Chicken 8 Tympanuchus cupido

Dusky Grouse 9 Dendragapus obscurus

Greater Sage-Grouse 10 Centrocercus urophasianus

Belted Kingfisher 11 Megaceryle alcyon

Eurasian Collared Dove 12 Streptopelia decaocto

Rock Dove 13 Columba livia

Band-tailed Pigeon 14 Patagioenas fasciata

Mourning Dove 15 Zenaida macroura

White-winged Dove 16 Zenaida asiatica

White-faced Ibis 17 Plegadis chihi

Baird's Sandpiper 18 Calidris bairdii

Semipalmated Sandpiper 19 Calidris pusilla

Least Sandpiper 20 Calidris minutilla

Long-billed Dowitcher 21 Limnodromus scolopaceus

Solitary Sandpiper 22 Tringa solitaria

Greater Yellowlegs 22 Tringa melanoleuca

Lesser Yellowlegs 23 Tringa flavipes

Common Snipe 24 Gallinago gallinago

Upland Sandpiper 9 Bartramia longicauda

Eared Grebe 25 Podiceps nigricollis

Red-necked Grebe 26 Podiceps grisegena

Clark's Grebe 22 Aechmophorus clarkii

Western Grebe 2 Aechmophorus occidentalis

Pied-billed Grebe 27 Podilymbus podiceps

Double-crested Cormorant 28 Phalacrocorax auritus

Neotropic Cormorant 29 Phalacrocorax brasilianus

Brown Pelican 30 Pelecanus occidentalis

American White Pelican 31 Pelecanus erythrorhynchos

Ring-billed Gull 32 Larus delawarensis

Herring Gull 33 Larus argentatus

California Gull 34 Larus californicus

Forster's Tern 35 Sterna forsteri

Black Tern 36 Chlidonias niger

Sabine's Gull 9 Xema sabini

Common Loon 9 Gavia immer

Prairie Falcon 37 Falco mexicanus

Peregrine Falcon 38 Falco peregrinus

American Kestrel 39 Falco sparverius

Merlin 37 Falco columbarius

Turkey Vulture 40 Cathartes aura

Killdeer 41 Charadrius vociferus

Mountain Plover 42 Charadrius montanus

Semipalmated Plover 43 Charadrius semipalmatus

American Avocet 44 Recurvirostra americana

Snowy Egret 45 Egretta thula

Great Blue Heron 2 Ardea herodias

Black-crowned Night Heron 46 Nycticorax nycticorax

Cattle Egret 42 Bubulcus ibis

American Bittern 47 Botaurus lentiginosus

Golden Eagle 48 Aquila chrysaetos

Sharp-shinned Hawk 11 Accipiter striatus

Northern Goshawk 49 Accipiter gentilis

Cooper's Hawk 50 Accipiter cooperii

Ferruginous Hawk 51 Buteo regalis

Swainson's Hawk 51 Buteo swainsoni

Rough-legged Hawk 52 Buteo lagopus

Red-tailed Hawk 53 Buteo jamaicensis

Broad-winged Hawk 54 Buteo platypterus

Bald Eagle 55 Haliaeetus leucocephalus

Rufous Hummingbird 53 Selasphorus rufus

Broad-tailed Hummingbird 56 Selasphorus platycercus

Black-chinned Hummingbird 57 Archilochus alexandri

Magnificent Hummingbirds 9 Eugenes

White-throated Swift 58 Aeronautes saxatalis

Chimney Swift 42 Chaetura pelagica

Black Swift 59 Cypseloides niger

Trumpeter Swan 60 Cygnus buccinator

Tundra Swan 61 Cygnus columbianus

Mallard 62 Anas platyrhynchos

Northern Pintail 63 Anas acuta

Green-winged Teal 24 Anas crecca

Gadwall 64 Anas strepera