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 ↓

Trumpeter Swan ¹
Cygnus buccinator

Tundra Swan ²
Cygnus columbianus

Mallard ³
Anas platyrhynchos

Northern Pintail ⁴
Anas acuta

Green-winged Teal ⁵
Anas crecca

Gadwall ⁶
Anas strepera

Northern Shoveler ⁷
Anas clypeata

Common Goldeneye ⁸
Bucephala clangula

Bufflehead ⁷
Bucephala albeola

Red-breasted Merganser ⁹
Mergus serrator

Common Merganser ⁶
Mergus merganser

Ring-necked Duck ⁷
Aythya collaris

Tufted Duck ⁷
Aythya fuligula

Greater Scaup
Aythya marila

Lesser Scaup ¹⁰
Aythya affinis

Redhead
Aythya americana

Canvasback ¹¹
Aythya valisineria

Ruddy Duck ¹²
Oxyura jamaicensis

Canada Goose ¹³
Branta canadensis

Wood Duck ¹⁴
Aix sponsa

Hooded Merganser ¹⁵
Lophodytes cucullatus

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

Photo Credits

1. (c) dnydick, some rights reserved (CC BY-NC), uploaded by dnydick
2. (c) Chris Rohrer, some rights reserved (CC BY-NC), uploaded by Chris Rohrer
3. (c) Charles Lam, some rights reserved (CC BY-SA)
4. (c) Rick Leche, some rights reserved (CC BY-NC)
5. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
6. (c) Luciano Giussani, some rights reserved (CC BY-NC-SA)
7. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
8. (c) Doug Greenberg, some rights reserved (CC BY-NC-ND)
9. (c) Robert Keereweer, some rights reserved (CC BY-NC)
10. (c) Paul Sullivan, some rights reserved (CC BY-ND)
11. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
12. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
13. (c) brendan.lally, some rights reserved (CC BY)
14. (c) ian wetton, some rights reserved (CC BY-NC-ND)
15. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy

Wildlife of Boulder County

Trumpeter Swan 1 Cygnus buccinator

Tundra Swan 2 Cygnus columbianus

Mallard 3 Anas platyrhynchos

Northern Pintail 4 Anas acuta

Green-winged Teal 5 Anas crecca

Gadwall 6 Anas strepera

Northern Shoveler 7 Anas clypeata

Common Goldeneye 8 Bucephala clangula

Bufflehead 7 Bucephala albeola

Red-breasted Merganser 9 Mergus serrator

Common Merganser 6 Mergus merganser

Ring-necked Duck 7 Aythya collaris

Tufted Duck 7 Aythya fuligula

Greater Scaup Aythya marila

Lesser Scaup 10 Aythya affinis

Redhead Aythya americana

Canvasback 11 Aythya valisineria

Ruddy Duck 12 Oxyura jamaicensis

Canada Goose 13 Branta canadensis

Wood Duck 14 Aix sponsa

Hooded Merganser 15 Lophodytes cucullatus