The Pacific Fisher is a small mammal from the weasel family, bigger then a pine marten and smaller then a wolverine. Its front half is sable brown getting blacker towards the tail.
The fisher is nocturnal and lives in the trees. It lives in old pine and oak forests in the southern Sierra Nevada at about 3,000 to 7,000 feet elevation. They feed on a variety of things including squirrels, other rodents and birds. They use large areas of forests with fairly dense tree cover, large trees, dead trees, and downed logs. The fisher has 1 to 4 kits in dens found in rocky crevices and high above the ground in hollow trees.
Solitary and traveling at night, this animal is rarely seen and few people even know it exists. The fisher is a little known treasure in our central and southern Sierra forests.