One of the few year-round resident birds on the Arctic islands is the ptarmigan (Lagopus mutus hyperboreus). In winter its feathers change from brown to white, providing good camouflage irrespective of the conditions. |
One of the few year-round resident birds on the Arctic islands is the ptarmigan (Lagopus mutus hyperboreus). In winter its feathers change from brown to white, providing good camouflage irrespective of the conditions. |