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Nearby · Morgan Co.
American Beaver (Castor canadensis)
(c) Rodney Campbell, some rights reserved (CC BY) · CC BY 4.0 (opens in a new tab) · iNaturalist (opens in a new tab)
MammalsIn Morgan County, Ohio

American Beaver

Castor canadensis Kuhl, 1820

American Beaver in all of Ohio
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Rodentia
Family
Castoridae
Genus
Castor
Near Morgan County

Range

Where it is recorded

Season shown in 0 of Ohio's 88 counties. Its mapped range covers 88. Explore Ohio

  • No result yet (0)
  • Within its mapped range (30)
  • Recorded, too few records for a result (48)
  • Recorded, season not shown (10)
  • Season shown (0)
Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files, 1:500,000. Range: USGS Gap Analysis Project, Species Range Maps CONUS_2001 (2018). Show as a table
Counties as a table
American Beaver by Ohio county: records and mapped range
CountyRecordsIn mapped range
Adams CountyRecorded, too few records for a resultYes: year-round
Allen CountyRecorded, too few records for a resultYes: year-round
Ashland CountyNo qualifying records yetYes: year-round
Ashtabula CountyRecorded, too few records for a resultYes: year-round
Athens County31 · Recorded, season not shownYes: year-round
Auglaize CountyRecorded, too few records for a resultYes: year-round
Belmont CountyNo qualifying records yetYes: year-round
Brown CountyNo qualifying records yetYes: year-round
Butler CountyRecorded, too few records for a resultYes: year-round
Carroll CountyNo qualifying records yetYes: year-round
Champaign CountyRecorded, too few records for a resultYes: year-round
Clark CountyRecorded, too few records for a resultYes: year-round
Clermont CountyRecorded, too few records for a resultYes: year-round
Clinton CountyRecorded, too few records for a resultYes: year-round
Columbiana CountyNo qualifying records yetYes: year-round
Coshocton County29 · Recorded, season not shownYes: year-round
Crawford CountyRecorded, too few records for a resultYes: year-round
Cuyahoga County135 · Recorded, season not shownYes: year-round
Darke CountyRecorded, too few records for a resultYes: year-round
Defiance CountyNo qualifying records yetYes: year-round
Delaware CountyRecorded, too few records for a resultYes: year-round
Erie CountyRecorded, too few records for a resultYes: year-round
Fairfield CountyRecorded, too few records for a resultYes: year-round
Fayette CountyRecorded, too few records for a resultYes: year-round
Franklin County38 · Recorded, season not shownYes: year-round
Fulton CountyNo qualifying records yetYes: year-round
Gallia CountyNo qualifying records yetYes: year-round
Geauga County38 · Recorded, season not shownYes: year-round
Greene County20 · Recorded, season not shownYes: year-round
Guernsey CountyRecorded, too few records for a resultYes: year-round
Hamilton County54 · Recorded, season not shownYes: year-round
Hancock CountyRecorded, too few records for a resultYes: year-round
Hardin CountyNo qualifying records yetYes: year-round
Harrison CountyNo qualifying records yetYes: year-round
Henry CountyNo qualifying records yetYes: year-round
Highland CountyRecorded, too few records for a resultYes: year-round
Hocking CountyRecorded, too few records for a resultYes: year-round
Holmes CountyNo qualifying records yetYes: year-round
Huron CountyRecorded, too few records for a resultYes: year-round
Jackson CountyNo qualifying records yetYes: year-round
Jefferson CountyRecorded, too few records for a resultYes: year-round
Knox CountyRecorded, too few records for a resultYes: year-round
Lake CountyRecorded, too few records for a resultYes: year-round
Lawrence CountyRecorded, too few records for a resultYes: year-round
Licking CountyRecorded, too few records for a resultYes: year-round
Logan CountyRecorded, too few records for a resultYes: year-round
Lorain CountyRecorded, too few records for a resultYes: year-round
Lucas CountyRecorded, too few records for a resultYes: year-round
Madison CountyNo qualifying records yetYes: year-round
Mahoning CountyRecorded, too few records for a resultYes: year-round
Marion CountyNo qualifying records yetYes: year-round
Medina CountyRecorded, too few records for a resultYes: year-round
Meigs CountyNo qualifying records yetYes: year-round
Mercer CountyNo qualifying records yetYes: year-round
Miami CountyNo qualifying records yetYes: year-round
Monroe CountyNo qualifying records yetYes: year-round
Montgomery CountyRecorded, too few records for a resultYes: year-round
Morgan CountyRecorded, too few records for a resultYes: year-round
Morrow CountyRecorded, too few records for a resultYes: year-round
Muskingum CountyRecorded, too few records for a resultYes: year-round
Noble CountyRecorded, too few records for a resultYes: year-round
Ottawa County20 · Recorded, season not shownYes: year-round
Paulding CountyNo qualifying records yetYes: year-round
Perry CountyRecorded, too few records for a resultYes: year-round
Pickaway CountyRecorded, too few records for a resultYes: year-round
Pike CountyNo qualifying records yetYes: year-round
Portage County66 · Recorded, season not shownYes: year-round
Preble CountyNo qualifying records yetYes: year-round
Putnam CountyNo qualifying records yetYes: year-round
Richland CountyRecorded, too few records for a resultYes: year-round
Ross CountyRecorded, too few records for a resultYes: year-round
Sandusky CountyNo qualifying records yetYes: year-round
Scioto CountyRecorded, too few records for a resultYes: year-round
Seneca CountyRecorded, too few records for a resultYes: year-round
Shelby CountyNo qualifying records yetYes: year-round
Stark CountyRecorded, too few records for a resultYes: year-round
Summit County179 · Recorded, season not shownYes: year-round
Trumbull CountyRecorded, too few records for a resultYes: year-round
Tuscarawas CountyRecorded, too few records for a resultYes: year-round
Union CountyNo qualifying records yetYes: year-round
Van Wert CountyNo qualifying records yetYes: year-round
Vinton CountyRecorded, too few records for a resultYes: year-round
Warren CountyRecorded, too few records for a resultYes: year-round
Washington CountyRecorded, too few records for a resultYes: year-round
Wayne CountyRecorded, too few records for a resultYes: year-round
Williams CountyNo qualifying records yetYes: year-round
Wood CountyNo qualifying records yetYes: year-round
Wyandot CountyNo qualifying records yetYes: year-round

Season

When it is recorded

In Morgan County

Not enough evidence

Not enough records in Morgan County yet to show a season. A season needs at least 20 records from 5 different years. Missing records do not mean it is absent.

In Ohio

Recorded all year

Recorded through most of the year, so there is no single season to show. Based on 1,484 records in 10 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
Show over the bars
Recording in Ohio · records of all species each week, 1,691,199 in all

Records per week from 1,484 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.

Show as a table
Records of American Beaver in Ohio each week, and records of all species
WeekRecords of American BeaverYears recordedRecords of all species
Jan 4–102586,211
Jan 11–172595,146
Jan 18–241164,645
Jan 25–312384,698
Feb 1–726106,023
Feb 8–142675,888
Feb 15–212885,436
Feb 22–282996,846
Mar 1–73478,321
Mar 8–1444910,384
Mar 15–2145812,620
Mar 22–2847813,949
Mar 29 – Apr 438819,661
Apr 5–1154926,860
Apr 12–1858939,925
Apr 19–2556941,623
Apr 26 – May 260956,391
May 3–949952,952
May 10–16481053,785
May 17–23301057,698
May 24–3027954,651
May 31 – Jun 621853,099
Jun 7–1325653,700
Jun 14–2025856,625
Jun 21–2731955,361
Jun 28 – Jul 423858,477
Jul 5–1121561,336
Jul 12–1823764,722
Jul 19–2524569,753
Jul 26 – Aug 122859,416
Aug 2–820759,712
Aug 9–1520755,994
Aug 16–2214754,328
Aug 23–2915851,772
Aug 30 – Sep 522857,167
Sep 6–1216659,075
Sep 13–1920654,543
Sep 20–2625945,860
Sep 27 – Oct 319543,180
Oct 4–1024837,841
Oct 11–1722530,824
Oct 18–2417821,156
Oct 25–3122819,021
Nov 1–726914,172
Nov 8–1419712,621
Nov 15–212397,965
Nov 22–282898,136
Nov 29 – Dec 52996,083
Dec 6–122086,004
Dec 13–191575,423
Dec 20–262895,661
Dec 27 – Jan 24298,459

What these results show

These results show when people recorded a species, not when or where it occurs. Missing weeks and low counts do not mean absence or scarcity, and counts are not abundance. Contributed records reflect where, when and what people chose to observe.

Identification

How to identify it

Often confused with

  • Muskrat Ondatra zibethicusOften confused in Ohio: 58 identifications in Ohio named one where the other was meant
  • Common Raccoon Procyon lotor120 identifications worldwide named one where the other was meant
  • North American River Otter Lontra canadensis111 identifications worldwide named one where the other was meant
  • Groundhog Marmota (Marmota) monax79 identifications worldwide named one where the other was meant
  • White-tailed Deer Odocoileus virginianus29 identifications worldwide named one where the other was meant

From iNaturalist’s similar-species counts, refreshed monthly: confusions in Ohio first, then worldwide. Only species with an Ohio result are listed.

Land cover where it is recorded

Land coverIts recordsAll Ohio records
Forest36%31%
Wetland24%5%
Developed21%49%
Open water10%3%
Farmland6%11%
Grassland and shrub3%0.9%
Barren1%0.6%

From 603 records placed within 100 m, beside all Ohio records placed the same way. People record where they go, so this shows where records come from, not where the species lives. Land cover: USGS Annual NLCD, 2025 (opens in a new tab)

Sources

Where these results come from

  • Records from iNaturalist research-grade observations and expert-identified GBIF datasets, CC0, CC BY and CC BY-NC. Sources
  • Seasons use the published method and its evidence thresholds. Methods
  • See it on iNaturalist (opens in a new tab)OpenPhenology is independent and not affiliated with iNaturalist.

Records behind the Ohio result

1,484 records from 2 datasets.

To cite: the GBIF download doi:10.15468/dl.y2jkt8 (opens in a new tab).

A spreadsheet (CSV) with a link to each record, on iNaturalist or GBIF. Records whose location was hidden by the observer or the source are counted but not linked.