South Florida. White-tailed deer, bobcat, coyote, wild boar, red and grey fox are other mammals that inhabit parts of every state in the region. Wild horses roam parts of the South in small groups, which are remnants of horses brought by settlers in the 1400s and 1500s. These are mostly in coastal habitats. Many water-dwelling mammals inhabit the South including the American beaver, muskrat, river otter, and nutria, which is an invasive species and has decimated plant life in the swamps of Louisiana. Weasels and mink also prefer being near water. Rabbits are common in the South; the eastern cottontail is found throughout the region, while the desert cottontail and black-tailed jackrabbit is primarily found in Texas, and Oklahoma. The swamp rabbit is found in wetlands of states like Mississippi, Alabama, Louisiana and Arkansas, while the marsh rabbit resides along the coastal regions of the Carolinas, Georgia, Florida, and Alabama. Squirrels are also abundant. The eastern grey squirrel and eastern fox squirrel can both be found in every southern state. The southern range of the American red squirrel dips into the higher elevations of Virginia and North Carolina. Other common mammals are the Virginia opossum, raccoon striped and spotted skunk, groundhog and in parts of the South, the nine-banded armadillo. There are over 1,100 species of bird in the Southern U.S. ranging from upland birds, to waterfowl. The South is home to many coastal birds including gulls, rails, gallinules, skimmers, grebes, sandpipers, cranes, and herons. Upland birds include wild turkey and ruffed grouse. Various game bird species such as the bobwhite quail and the woodcock. The eastern whip-poor-will and the Chuck-will's-widow belong to the nighthawk family and are found in every southern state. Songbirds make up the largest portion of birds found in this region. Central United States In the prairie in the Central United States lives mostly animals adapted for living in grasslands. Indigenous mammals include the American bison, eastern cottontail, black-tailed jackrabbit, plains coyote, black-tailed prairie dog, muskrat, opossum, raccoon, prairie chicken, wild turkey, white-tailed deer, swift foxes, pronghorn antelope, the Franklin's ground squirrel and several other species of ground squirrels. Reptiles include bullsnakes, common collared lizard, common snapping turtle, musk turtles, yellow mud turtle, painted turtle, western diamondback rattlesnake and the prairie rattlesnake. Some of the typical amphibians found in the region are the three-toed amphiuma, green toad, Oklahoma salamander, lesser siren and the plains spadefoot toad.