Types of Beavers in South Carolina

American Beavers are one of North America's largest rodents, weighing 30 to 60 pounds and measuring 3 to 4 feet long including their tail. Their most distinctive feature is a flat, paddle-shaped tail that is hairless and nearly black, used for swimming and fat storage. Their body is heavy and cylindrical with dense, waterproof fur that ranges from dark brown to reddish-brown. Their small ears and eyes sit high on their broad head. Adults have large, orange-yellow incisors that grow continuously throughout their lives, making them powerful wood-cutters. Their hind feet are webbed and much larger than their front feet, adapted perfectly for swimming.

Beavers are often confused with muskrats or nutrias, but they are far larger. A muskrat weighs only 2 to 4 pounds and has a thin, round tail; a nutria weighs 15 to 20 pounds and has a rat-like tail. Only the beaver has a flat, paddle-shaped tail. Also look for size: a beaver is roughly the size of a medium dog, impossible to mistake if you see one clearly. Their rounded, robust body shape is distinctive from the sleek profile of otters, which are also found in South Carolina waters but are much smaller and lighter in color.

Yes. Only the American Beaver occurs naturally in South Carolina. There are only two beaver species in North America: the American Beaver and the Mountain Beaver, which lives in the Pacific Northwest and does not range east of the Rocky Mountains. All beaver sightings and signs in South Carolina are from the American species.

Even if you don't see a beaver itself, you can identify their presence by looking for their distinctive signs. Felled trees are the most obvious: look for trees with a sharply chewed, pencil-point stump or a sawdust-like pile of wood chips at the base. Beavers prefer trees 2 to 6 inches in diameter. Dams are another clear sign: they appear as barriers of sticks, mud, and logs that cross streams or ditches. Beaver lodges are dome-shaped mounds of sticks and mud above the waterline. Chewed branches, bark-stripped saplings, and muddy slides leading down banks to the water are also telltale signs of beaver activity.

Beavers are most active and easiest to spot in late winter and early spring, especially February and March. November is also a good month. Beavers are primarily nocturnal and most active at dawn and dusk, so plan visits for these quieter times. Winter and early spring are ideal because water levels are higher, vegetation is thinner, and beavers are preparing for breeding season. Summer sees fewer observations, likely because vegetation is dense, temperatures are hot, and human activity increases. Check the trunk page 'Where to See Beavers in South Carolina' for specific location recommendations and seasonal timing.

A beaver lodge is a large dome of sticks and mud, typically 4 to 8 feet across and 3 to 5 feet tall, built in the water with one or more underwater entrances. A dam appears as a linear wall of sticks and branches blocking the water, often with a slight curve. If you see movement in the water or notice a large brown animal, that is a beaver itself. Beavers can also be identified by their swimming pattern: they move low in the water with just their head and back visible, sometimes leaving a slight 'V' wake. Lodges and dams are permanent structures, but a beaver sighting is fleeting and requires patience or luck.

Beavers in South Carolina avoid human contact and are naturally shy. They do not attack without provocation. Beaver activity can damage property by flooding land, blocking culverts, or felling trees along property edges, especially in developed areas near waterways. If a beaver's dam is damaging your property, contact the South Carolina Department of Natural Resources for guidance. Never attempt to remove a beaver or dismantle its lodge yourself. In wildlife viewing areas and nature reserves, respect posted signs and maintain a safe distance. Beavers are a natural part of South Carolina's wetland ecosystem and provide benefits by creating habitat for waterfowl, fish, and other wildlife.

Yes, American Beavers are native to South Carolina and have lived in the state's waterways for thousands of years. They were historically present throughout the region but were hunted nearly to extinction for their fur during the 1700s and 1800s. Thanks to protection and reintroduction efforts in the 20th century, beaver populations have recovered throughout the eastern United States, including South Carolina. Today, they are thriving in suitable habitats and continue to play an important role in shaping freshwater ecosystems and coastal marshes.

Beavers are herbivores and feed almost entirely on the bark and wood of trees, especially aspens, willows, and birches. They also eat aquatic vegetation like water lilies, cattails, and pondweed. In South Carolina, where aspens are less common, they favor tupelo, cypress, and sweetbay. Beavers do not eat fish or other animals. They store branches and logs in underwater caches near their lodge to use as food during winter when surface food is scarce. A beaver can fell a tree several inches in diameter in a single night and consume or cache the bark and smaller branches.