The Upper Peninsula contains a large variety of wildlife. Some of the mammals found in the UP include shrews, moles, mice, white-tailed deer, moose, black bears, cougar, gray and red foxes, wolves, river otters, martens, fishers, muskrats, bobcats, coyotes, snowshoe hares, cotton-tail rabbits, porcupines, chipmunks, squirrels, raccoons, opossum and bats. There is a large variety of birds, including hawks, osprey, owls, gulls, hummingbirds, chickadees, robins (the state bird), woodpeckers, warblers, and bald eagles. In terms of reptiles and amphibians, the UP has common garter snakes, red bellied snakes, pine snakes, northern water snakes, brown snakes, eastern garter snakes, eastern fox snakes, eastern ribbon back snakes, green snakes, northern ringneck snakes, eastern milk snakes (Mackinac and Marquette counties) and eastern hognose snakes (Menominee County only), plus snapping turtles, wood turtles, and painted turtles (the state reptile), green frogs, bullfrogs, northern leopard frogs, and salamanders. Lakes and rivers contain many fish such as walleye, muskie, northern pike, trout, salmon, bullhead catfish, and bass. Invasive species like the alewife and sea lamprey can be found in the Great Lakes. The UP also contains many shellfish, such as clams, aquatic snails, and crayfish. The American Bird Conservancy and the National Audubon Society have designated several locations as internationally Important Bird Areas.