(1) The region teemed with muskrat , beaver, wolverine, otter, wolf, fox and bear.(2) Other animals that may carry and transmit the disease include beavers, muskrats , water and field voles, water and wood rats, squirrels, and lemmings.(3) Look for tracks of muskrats , minks, beavers, and river otters in the mud.(4) Their diet consists mainly of fish, but they also eat insects, frogs, and occasionally small mammals such as muskrats .(5) With his hunting experience, he introduced trapping lures for mink, muskrats , fox, beaver, bobcats, coyotes and wolves.