Rhode Island mammals

Northern Hoary Bat in Rhode Island

Lasiurus cinereus

Native to Rhode Island S1 Critically Imperiled 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

LC – Least Concern

Widespread and abundant; not at risk.

Hoary bat in flight against blue sky, wings spread to show its yellow throat patch and heavily frosted furHoary bat roosting in a tree bark hollow, frosted fur blending with the surrounding lichenHoary bat hanging from an exposed branch in daylight, showing its full frosted coatHoary bat roosting among grapevine foliage, a typical solitary tree roost
Photo: Gjon Hazard · CC BY 4.0Hoary bat in flight against blue sky, wings spread to show its yellow throat patch and heavily frosted furPhoto: Nelson Balcar · CC BY 4.0Hoary bat roosting in a tree bark hollow, frosted fur blending with the surrounding lichenPhoto: Konshau Duman · CC BY 4.0Hoary bat hanging from an exposed branch in daylight, showing its full frosted coatPhoto: Kalvin Chan · CC BY 4.0Hoary bat roosting among grapevine foliage, a typical solitary tree roost

Northern Hoary Bat in Rhode Island, by the numbers

Occasional in Rhode Island 39th most recorded of 72 mammals logged in Rhode Island

14 occurrence records

Records from 2000–2026.

When to look for the Northern Hoary Bat in Rhode Island

Most sightings fall in August to September.

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
January0
February0
March0
April0
May0
June0
July2
August5
September5
October2
November0
December0

Monthly northern hoary bat occurrence records (iNaturalist and GBIF) in Rhode Island, 2000–2026.

Seasonality

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

Occurrence map

Where Northern Hoary Bat has been recorded in Rhode Island

14 records mapped · zoom and drag to explore

14 Rhode Island records mapped

Where it's recorded in Rhode Island

CountyRecords
Providence County 2
Washington County 2
Kent County 1
Other localities 9

The complete county distribution, spread across 3 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 northern hoary bat overlay contains 14 records for 2000–2026, all from GBIF. Every dated entry falls between July and October: five each in August and September and two each in July and October. This tight record window reflects documented encounters, not bat abundance.

NatureServe ranks the species S1 (Critically Imperiled) in Rhode Island. Arcadia Management Area, Diamond Hill State Park, and George Washington Management Area are the three search leads, but no place-level counts show whether any of the 14 records came from them.

Hoary bat in flight against blue sky, wings spread to show its yellow throat patch and heavily frosted fur
Full species profile Northern Hoary Bat Lasiurus cinereus Size 13–15 cm5.1–5.9 in Weight 26 g0.9 oz Lifespan Up to 14 yr View the full profile

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