North Carolina mammals

Harbor Seal in North Carolina

Phoca vitulina

Native to North Carolina

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

Harbor Seal in North Carolina, by the numbers

Occasional in North Carolina 61st most recorded of 125 mammals logged in North Carolina

32 occurrence records
24 with iNaturalist photos

Records from 2000–2026.

When to look for the Harbor Seal in North Carolina

Most sightings fall in January to March.

32 North Carolina occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence.

Monthly North Carolina records (table)
MonthRecords
January7
February8
March11
April2
May0
June0
July0
August0
September0
October0
November0
December4

Monthly harbor seal occurrence records (iNaturalist and GBIF) in North Carolina, 2000–2026.

Seasonality

Year-round in North Carolina, with recorded sightings peaking in January–March.

Occurrence map

Where Harbor Seal has been recorded in North Carolina

32 records mapped · zoom and drag to explore

8 North Carolina records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Nags Head Woods 4
Rachel Carson National Estuarine Research Reserve 1

Protected places with the most harbor seal 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 North Carolina

CountyRecords
Dare County 9
Carteret County 4
Currituck County 2
Other localities 17

The complete county distribution, spread across 3 North Carolina counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Harbor seals are the most regularly recorded of the seals that reach North Carolina in winter, hauling out on the northern Outer Banks near Cape Hatteras National Seashore and in the calmer waters around the Alligator River and Great Dismal Swamp refuges. Their wintering range on the US Atlantic coast reaches this far south more reliably than grey or harp seals, though it’s still the edge of where the species regularly turns up.

Outside the pupping season farther north, harbor seals spend a good deal of time hauled out on sandbars and beaches between feeding trips, which is when most people notice and photograph them. They’re solitary much of the year, so a lone seal resting on an Outer Banks beach in January is a typical sighting rather than an unusual one.

Records here cluster from January through March and drop off sharply by late spring, which tracks with seals moving back north as waters warm. A gap in reports outside that window is about migration timing, not scarcity of the animal.

Occurrence data from iNaturalist and GBIF.

More mammals in North 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"