Bird
Birds of tundra habitats on Niwot Ridge and vicinity
Data from Kingery and Graul (1978), Andrews and Righter (1992), and Kingery (1998). from :Armstrong, David M., James C. Halfpenny, and Charles H. Southwick. 2001. Vertebrates, in Bowman, W.D. and Seastedt, T.R. Structure and Function of an Alpine Ecosystem, Niwot Ridge, Colorado. pp 128- 156. Oxford University Press, New York.
Falconiformes: Accipitridae--Hawks
- Northern Harrier--Circus cyaneus (n)
- Red tailed Hawk Buteo jamaicensis (n)
- Swainson's Hawk Buteo swainsoni (n)
- Rough-legged Hawk--Buteo lagopus (n)
- Ferruginous Hawk--Buteo regalis (n)
- Golden Eagle Aguila chrysaetos (n)
Falconiformes: Falconidae--Falcons
- Prairie Falcon Falco mexicanus (n)
- Peregrine Falcon Falco peregrinus (m)
Galliformes: Phasianidae--Grouse
- White-tailed Ptarmigan--Lagopus leurucus (r)
Columbiformes: Columbidae--Doves
- Mourning Dove Zenaida macroura (n)
- Passeriformes: Alaudidae--Larks
- Horned Lark Eremophila alpestris (b)
Passeriformes: Corvidae--Crows and allies
- Common Raven Corvus corax (n)
- Clark's Nutcracker Nucifraga columbiana (n)
- Passeriformes: Troglodytidae--Wrens
- Rock Wren Salpinctes obsoletus (p)
Passeriformes: Turdidae--Thrushes
- American Robin Turdus migratorius (n)
- Mountain Bluebird Sialia currucoides (n)
Passeriformes: Motacillidae--Pipits
- American Pipit Anthus rubescens (b)
Passeriformes: Emberizidae, Emberizinae--Sparrows and Allies
- Vesper Sparrow Pooecetes gramineus (n)
- Savannah Sparrow--Passerculus sandwichensis (m)
- White crowned Sparrow Zonotrichia leucophrys (b)
Passeriformes: Fringillidae--Finches
- Brown capped Rosy Finch Leucosticte arctoa (b)