|Lagopus lagopus alascensis in autumn plumage, Lake Clark National Park|
some 10-20 including
The willow grouse (Europe) or willow ptarmigan (North America) (Lagopus lagopus) is a medium-to-large (15–17 inches) gamebird in the grouse family, from the Arctic. It is a sedentary species, breeding in birch and other forests and tundra across northern Eurasia, and in Alaska and northern Canada. Feathers are brown in summer, changing to white in winter. It is the state bird of Alaska. During the last ice age, the species occurred in continental Europe (Tomek & Bocheński 2005).
References[change | change source]
- "Willow Ptarmigan Identification, All About Birds, Cornell Lab of Ornithology". www.allaboutbirds.org. Retrieved 2020-08-09.