Mountain Hare Lepus timidus MOHA LEPTIM Cairngorms National Park Scotland United Kingdom February winter snow hillside mountains highland white fur camouflage hidden Leporidae Mammal adult cold ice icy wind snowy lonely landscape wildlife hunting hunt game species Easter Bunny weather blizzard couple sex mating breeding season two 2 pair blue hare tundra variable alpine Irish pelage heathlands bird birds hatch hatching breed incubate incubating sit sitting Europe copulation