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White-tailed Ptarmigan - BirdForum Opus

Male, subspecies bowerbird
Photo by bowerbird
Rocky Mountains, Colorado, June 2004
Lagopus leucura

Identification

Winter plumaged bird
Photo by Dave B Smith
Bow Lake, Alberta, Canada, July 2007

30-34cm (11¾-13 in)
Winter

  • Pure white except for a black beak and eyes

Summer

  • Mottled and barred brown head, breast, and back
  • White wings, belly, and tail

Distribution

Western United States, Canada and Alaska.

Taxonomy

Subspecies

Female, subspecies peninsularis
Photo by alaskabirder
Hatcher Pass, Palmer, Alaska, July 2015

Five subspecies are recognized:[1]

  • L.l. peninsularis:
  • L.l. leucura:
  • L.l. saxatilis:
  • Vancouver Island
  • L.l. rainierensis:
  • L.l. altipetens:
  • Rocky Mountains of US.

Habitat

Open country in high mountains.

Behaviour

Chick
Photo by alaskabirder
Hatcher Pass, Palmer, Alaska, July 2015

Diet

Their main winter diet includes alder catkins.

Breeding

The clutch consists of 4-8 buff, faintly spotted eggs which are laid in a hollow on the ground. It is lined with grass, leaves, and feathers. Males remain with the females until the eggs are hatched after an incubation period of 23 days.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Handbook of the Birds of the World Alive (retrieved Feb 2018)

Recommended Citation

External Links

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