Life is full of surprises; you will rarely find a grizzly bear photographer as thrilled as when they get the opportunity to photograph a Pine Marten or long tail weasel during the course of their pursuit of photographing grizzlies. Grizzlies are easy for them to find, to get the opportunity to photograph a Pine Marten or a weasel it is a rare event.
Greater Yellowstone's American Marten or Pine Marten as they are colloquially know around here is a North American member of the family Mustelidae (Martes americana). The name "Pine Marten" is derived from the common but distinct Eurasian species of Martes.
Pine Martens are cat-size and slender with long, dark, chestnut-brown fur and a bushy tail with a distinctive creamy-yellow throat. The tail is long and fluffy and is about half the length of its body. Their head is usually lighter in color than the rest of their body it has large rounded ears, a roughly triangular head and sharp nose. A big male American Marten will be 20 or so inches long and weigh around two to three pounds. Compared to other carnivores, Pine Marten population density is low for their body size.
Young Martens or kits are born around April. They will each adult size about three to four months of age although they don't really mature until they are about two years old. The mother will have two to three kits each time she has her babies. When they are born, the kits are naked, blind, and deaf. Life span: may reach 10 years or more in the wild...................................................................rest of article