Kentucky mammals

American Beaver in Kentucky

Castor canadensis

Native to Kentucky S5 Secure in Kentucky

Not listed as nonindigenous in Kentucky by USGS NAS; native to its Kentucky 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 Kentucky, by the numbers

Common in Kentucky 14th most recorded of 77 mammals logged in Kentucky

258 occurrence records
258 with iNaturalist photos
Jul 1, 2026 Last seen in Kentucky

When to look for the American Beaver in Kentucky

Most sightings fall in March to May.

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

Monthly Kentucky records (table)
MonthRecords
January23
February24
March30
April43
May27
June19
July8
August13
September16
October13
November17
December25

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

Seasonality

Year-round in Kentucky, with recorded sightings peaking in March–May.

Occurrence map

Where American Beaver has been recorded in Kentucky

258 records mapped · zoom and drag to explore

258 Kentucky records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Land Between the Lakes Other 26
Daniel Boone National Forest 15
Land Between the Lakes National Recreation Area 5
Clifty Wilderness 4
Carter Caves State Resort Park 2
Greenbo Lake State Resort Park 1
Big South Fork National River and Recreation Area 1
Beargrass Creek State Nature Preserve 1

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 Kentucky

CountyRecords
Jefferson County 30
Trigg County 22
Bullitt County 17
Madison County 16
Rockcastle County 10
Lyon County 10
Pulaski County 7
Menifee County 7
Whitley County 7
Laurel County 6
McCreary County 6
Shelby County 6
52 other counties 114

The complete county distribution, spread across 64 Kentucky counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Kentucky’s occurrence data hold 258 records of the American beaver, split almost evenly between iNaturalist and GBIF entries. Reports cluster around Daniel Boone National Forest, Land Between the Lakes National Recreation Area, and Natural Bridge State Resort Park, but that pattern shows where people paddle and hike, not where every beaver colony actually sits.

From headwater creeks to reservoir coves

A beaver needs slow water and standing timber, and Kentucky offers both ends of that range. In the Appalachian Plateau country around Daniel Boone National Forest and Natural Bridge, beavers dam narrow sandstone-bound streams, backing up small pools behind culverts and downed timber. At Land Between the Lakes, the same animal works the quieter coves of Kentucky Lake and Lake Barkley, two reservoirs impounded on the Cumberland and Tennessee rivers, where flooded timber and gentle shoreline give it far more water to work with.

A stockpiled winter

Beavers cut bark, twigs, and water plants, caching branches near a lodge or bank den so they don’t have to forage far once the weather turns. Kentucky’s records rise sharply each spring, peaking in April and May, a stretch that likely tracks dispersing yearlings striking out to find their own water as much as any real shift in beaver numbers.

Status in Kentucky

The American beaver is native to Kentucky and isn’t flagged as nonindigenous by USGS NAS. NatureServe ranks it S5, secure, fitting a rodent that has recolonized rivers and reservoirs across the state after historic declines.

Occurrence data from GBIF.

American Beaver in other states

View all states →

More mammals in Kentucky 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"