The population of Mountain Hares in the Peak District were introduced from Scotland around 1880, and they have survived there since. The native population died out here about six thousand years ago. It is ironic that they were introduced for the sporting interest, yet some gamekeepers now kill them because they can transmit "louping ill" to Red Grouse via blood-sucking ticks. This Mountain Hare has its thick, white winter pelage, which makes them easier to spot. They are smaller than Brown Hare, have shorter ears and lack black in the tail. They seem to live up to their name "timidus" too. Brown Hares do not occur in Ireland, but Mountain Hares occur throughout, though never turning white in winter. In Scotland they are predated by Golden Eagles, a problem not faced by the Peak District population.