All mammals have fur or hair, produce milk for their young, and maintain a fairly constant body temperature. The Pine marten Martens have a very varied diet, which changes with the seasonal availability of different foods.
Small rodents are a very important food, but birds, beetles, carrion, eggs and fungi are also eaten.
This subspecies, found only on the island of Newfoundland, with a population of approximately 300, has recently been declared an endangered by the National Committee for the Status of Endangered Wildlife in Canada. The Pine Marten of the UK Pine martens are found in the Scottish Highlands and Grampian, with isolated populations in southern Scotland. In England and North Wales pine martens are probably on the verge of extinction although there may still be isolated individuals present in Northumberland and North Yorkshire. The Pine Marten is as big as a house cat. They have have a long, slim body with a small head.