Ptarmigan are extremely hard to see in our white winters. I like to imagine seeing them in the snow living happily with fewer ...

The smallest bird in the grouse family, the white-tailed ptarmigan is also one of the few animals that lives on alpine mountaintops throughout its entire life. Every part of this ptarmigan is adapted ...

Rainier white-tailed ptarmigan as a threatened species under the Endangered Species Act. The agency also said it would reconsider protecting the bird’s critical habitat, providing hope that areas ...

These animals showcase Europe’s winter wildlife diversity, demonstrating adaptations to cold, highlighting natural selection ...