The mountain hare (Lepus variabilis or timidus) replaces the common hare (Lepus europaeus) in the higher regions; though absent from the intervening plains it again appears in the north of Europe and in Scotland.
As characteristic birds of the snow-region may be mentioned the alpine chough (Pyrrhocorax alpinus), which is frequently seen at the summits even of the loftiest mountains, the alpine swift (Cypselus melba), the wallcreeper (Tichodroma muraria), snow-finch (Montifringilla nivalis) and ptarmigan (Lagopus mutus); the geographical distribution of this last being similar to that of the mountain hare.
I) does not occur, its place is taken by the closely allied Alpine, or mountain hare (fig.