Rock ptarmigan

The ptarmigan is a hardy bird that thrives in cold climates across the Northern Hemisphere. Known for its seasonal camouflage, its feathers turn white in winter and brown in summer. It holds special status in places like Canada's Nunavut territory and several Japanese prefectures.

• Changes feather color from brown to white with the seasons.
• Official bird of Nunavut, Canada, called 'aqiggiq' in Inuktitut.
• Protected in Japan, where it's known as 'raichō' or thunder bird.