The rock ptarmigan (Lagopus mutus) is a bird that lives in the arctic tundra. It has several adaptations that help it to survive in its harsh environment.
* Camouflage: The rock ptarmigan's feathers are white in the winter and brown or gray in the summer. This helps it to blend in with its surroundings and avoid predators.
* Thick feathers: The rock ptarmigan's feathers are also thick and dense, which helps to keep it warm in the cold climate.
* Strong feet: The rock ptarmigan's feet are strong and have sharp claws, which help it to grip rocks and branches.
* Short wings: The rock ptarmigan's wings are short and rounded, which makes it easy for it to maneuver in the tight spaces between rocks.
* Strong eyesight: The rock ptarmigan has strong eyesight, which helps it to spot predators and prey.
* Ability to store food: The rock ptarmigan can store food in its crop, which helps it to survive during periods of food scarcity.
These adaptations make the rock ptarmigan well-suited for life in the harsh arctic tundra.