North Carolina mammals

Grey Seal in North Carolina

Halichoerus grypus

Native to North Carolina

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

Grey Seal in North Carolina, by the numbers

Occasional in North Carolina 83rd most recorded of 125 mammals logged in North Carolina

12 occurrence records
12 with iNaturalist photos

When to look for the Grey Seal in North Carolina

Most sightings fall in March.

12 North Carolina occurrence records (iNaturalist and GBIF) by month of year. Shows when the species is recorded, not a guarantee of presence. Based on a small number of dated records; the seasonal pattern may not be representative.

Monthly North Carolina records (table)
MonthRecords
January0
February3
March6
April3
May0
June0
July0
August0
September0
October0
November0
December0

Monthly grey seal occurrence records (iNaturalist and GBIF) in North Carolina.

Seasonality

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

Occurrence map

Where Grey Seal has been recorded in North Carolina

12 records mapped · zoom and drag to explore

2 North Carolina records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Nags Head Woods 3

Protected places with the most grey 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 6
Currituck County 1
Other localities 5

The complete county distribution, spread across 2 North Carolina counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Grey seals are a cold-season visitor here, and North Carolina sits close to the southern edge of where they’re recorded at all on the US Atlantic coast. The handful of reports cluster on the northern Outer Banks, around Cape Hatteras National Seashore, where long sandy beaches and quiet inlets give a hauled-out seal a stretch of shoreline away from most foot traffic.

Grey seals haul out on beaches and sandbars to rest between feeding trips, and they pup on ice or on remote shorelines much farther north than this state. A seal resting on an Outer Banks beach in winter is almost certainly passing through on a longer wander down the coast, not part of a local breeding group.

Reports here are genuinely scarce, and most turn up between late fall and early spring, when seals from more northern colonies range south. A quiet stretch of coast with no reports doesn’t mean none showed up, only that nobody logged one.

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
  • 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"