Rhode Island mammals

Fin Whale in Rhode Island

Balaenoptera physalus

Native to Rhode Island SNRN in Rhode Island

Not listed as nonindigenous in Rhode Island by USGS NAS; native to its Rhode Island range.

IUCN Red List status

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

VU – Vulnerable

High risk of extinction in the wild.

Fin Whale in Rhode Island, by the numbers

Occasional in Rhode Island 45th most recorded of 72 mammals logged in Rhode Island

14 occurrence records
8 with iNaturalist photos
Aug 25, 2025 Last seen in Rhode Island

Records from 2000–2026.

When to look for the Fin Whale in Rhode Island

Most sightings fall in July to August.

14 Rhode Island occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. 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 Rhode Island records (table)
MonthRecords
January1
February0
March1
April1
May0
June1
July4
August6
September0
October0
November0
December0

Monthly fin whale occurrence records (iNaturalist and GBIF) in Rhode Island, 2000–2026.

Seasonality

Year-round in Rhode Island, with recorded sightings peaking in July–August.

Occurrence map

Where Fin Whale has been recorded in Rhode Island

14 records mapped · zoom and drag to explore

7 Rhode Island records mapped

Where it's recorded in Rhode Island

CountyRecords
Washington County 3
Other localities 11

The complete county distribution, spread across 1 Rhode Island counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Rhode Island’s open occurrence record for the fin whale holds just 14 entries, most gathered near Block Island and the open Atlantic beyond the state’s more sheltered bay waters. A count this thin for a whale this size says more about how rarely one is confirmed close to shore than about how often the species actually passes by.

An offshore whale, seen from the state’s Atlantic edge

Every one of Rhode Island’s protected coastal properties named in this record, Ninigret National Wildlife Refuge, Trustom Pond National Wildlife Refuge, and Block Island National Wildlife Refuge, sits along the state’s open Atlantic shoreline rather than inside the calmer waters of Narragansett Bay. That’s consistent with what’s known nationally about the species: fin whales travel through deep continental-shelf water, not sheltered estuaries, and Block Island’s position roughly a dozen miles offshore puts it closest to the kind of open water this whale actually uses.

Following the summer’s schooling fish

Records here peak in July and August, the same months that stand out in the species’ broader Atlantic pattern. A fin whale lunges through dense schools of herring, mackerel, sand lance, and capelin, along with krill, and all of that prey concentrates closer to the surface, and closer to shore, when summer productivity peaks. That’s almost certainly why a whale otherwise recorded far out to sea becomes briefly visible from Rhode Island’s Atlantic coast in mid-summer.

Status in Rhode Island

Rhode Island’s own status data treats the fin whale as native and doesn’t list it as nonindigenous under USGS NAS. NatureServe hasn’t assigned Rhode Island a numeric conservation rank for the species here, listed SNRN, though its global rank, G3, reflects real ongoing pressure from ship strikes, fishing gear entanglement, and ocean noise even after the species recovered from commercial whaling.

Occurrence data from iNaturalist and GBIF.

More mammals in Rhode Island 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