Mountain hare (Lepus timidus), Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare portrait (Lepus timidus) in winter snow, Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare portrait (Lepus timidus) in winter snow, Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare portrait (Lepus timidus) in winter snow, Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare running (Lepus timidus) in winter snow, Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare (Lepus timidus) in the Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare (Lepus timidus) in the Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare (Lepus timidus) in the Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare portrait (Lepus timidus) in winter snow, Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare portrait (Lepus timidus) in winter snow, Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare (Lepus timidus) in winter snow, Scottish Highlands, Scotland, United Kingdom, Europe

Mountain hare (Lepus timidus) adult in it's winter coat on a snow covered mountain, Finhorn valley, Scotland, United Kingdom, Europe

Mountain hare (Lepus timidus) sits in habitat, summer coat, Cairngroms National Park, Highlands, Scotland, Great Britain

Close-up portrait of a collared pika (Ochotona collaris) pausing on a boulder in mid-August with a hank of wild grass in its mouth in Southcentral Alaska's Hatcher Pass in the Talkeetna Mountains north of Palmer, Alaska, United States of America

A collared pika (Ochotona collaris) pausing on the alpine tundra at Southcentral Alaska's Hatcher Pass, high in the Talkeetna Mountains north of Palmer in late August, Alaska, United States of America