South Carolina mammals

American Beaver in South Carolina

Castor canadensis

Native to South Carolina S5 Secure in South Carolina

Not listed as nonindigenous in South Carolina by USGS NAS; native to its South Carolina range.

IUCN Red List status

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

LC – Least Concern

Widespread and abundant; not at risk.

American Beaver in South Carolina, by the numbers

Common in South Carolina 11th most recorded of 108 mammals logged in South Carolina

439 occurrence records
433 with iNaturalist photos
Jun 29, 2026 Last seen in South Carolina

439 total records count every South Carolina occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 434 records with a full observation date.

When to look for the American Beaver in South Carolina

Most sightings fall in January to April.

434 South Carolina occurrence records (iNaturalist and GBIF) by month of year. Shows when the species is recorded, not a guarantee of presence.

Monthly South Carolina records (table)
MonthRecords
January44
February67
March56
April50
May40
June23
July25
August17
September24
October14
November43
December31

Monthly american beaver occurrence records (iNaturalist and GBIF) in South Carolina.

Seasonality

Year-round in South Carolina, with recorded sightings peaking in January–April, with a smaller rise in November.

Occurrence map

Where American Beaver has been recorded in South Carolina

300 records mapped · zoom and drag to explore

300 South Carolina records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Clemson Forest 19
Sumter National Forest 12
Aiken Gopher Tortoise Heritage Preserve / Wildlife Management Area 8
Congaree National Park 7
Ninety Six National Historic Site 5
Congaree Creek Heritage Preserve 4
Henderson Heritage Preserve / Wildlife Management Area 4
Musgrove Mill State Historic Site 4

Protected places with the most american beaver sightings, from the USGS Protected Areas Database plus named mountain ranges, good spots to look, not a full breakdown, so they don't sum to the total.

Where it's recorded in South Carolina

CountyRecords
Greenville County 60
Richland County 44
Pickens County 33
York County 31
Lexington County 29
Lee County 23
Oconee County 20
Aiken County 17
Lancaster County 17
Spartanburg County 13
Chesterfield County 12
Greenwood County 12
28 other counties 128

The complete county distribution, spread across 40 South Carolina counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

South Carolina’s occurrence databases hold 439 records for the American beaver, the densest cluster of any mammal in this dataset, drawn mostly from iNaturalist and backed by a solid run of GBIF data. That tally tracks where people have logged dams, lodges, and gnawed stumps. It doesn’t count how many beavers actually work the state’s waterways.

From Blue Ridge creeks to Lowcountry blackwater

Records turn up in three very different corners of the state: the fast, rocky streams below Table Rock State Park in the Blue Ridge escarpment, the tannin-dark river swamp of Congaree National Park in the Midlands, and the tidal-fed creeks of Francis Marion National Forest out on the coastal plain. A beaver only needs water deep enough to hide a den entrance year round and woody plants close to the bank, and South Carolina supplies both from the mountains down to the coast.

A vegetarian that reshapes its own creek

Beavers gnaw bark and the soft cambium beneath it from sweetgum, willow, and river birch, then haul the cut branches into an underwater pile that becomes a winter larder. That felling opens the canopy along a stretch of bank and lets the same sun-loving saplings resprout, feeding the colony again the following year. Records climb every spring, matching the months when two-year-olds strike out from their home pond to build somewhere new, and fresh dams and pale, pencil-pointed stumps are at their easiest to spot and report.

Status in South Carolina

NatureServe ranks the American beaver S5, secure, and the species is native across the state. It’s the most dependable wetland engineer South Carolina has, holding water and building habitat everywhere from Blue Ridge headwaters to coastal blackwater rivers.

Occurrence data from iNaturalist and GBIF.

American Beaver in other states

View all states →

More mammals in South Carolina in the atlas

Data & sources

The data and visualizations on this page draw on these open sources:

  • GBIFCC-BY 4.0occurrence records behind the range map, elevation, and record counts
  • iNaturalistCC0 / CC-BY / CC-BY-SAobservations, photos, and audio recordings
  • NatureServe ExplorerCC-BYthe state conservation rank
  • IUCN Red Listattributed factthe global conservation status
  • USGS NASpublic domainnative / introduced status
  • Natural Earthpublic domainthe relief basemap
  • USFSpublic domainnational-forest boundaries
  • USGS Protected Areas Databasepublic domainthe named parks, forests, and refuges behind "notable places to look"