WhenToBird

Osprey · Pandion haliaetus

When Do Ospreys Arrive in Rhode Island?

Adult female Osprey
Photo: Bill Levine, CC BY 4.0 via iNaturalist

Ospreys reach Rhode Island in mid March, are common by late March, peak in early August (48% of checklists), and most are gone by mid September.

When to look

First arrivalsMar 15-21mid March
Common byMar 22-31late March
PeakAug 1-7early August
Most gone bySep 15-21mid September

Best: early August. First arrivals mid March; most are gone by mid September. Peak: on about 48% of Rhode Island checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Maruncommon
  4. Aprcommon
  5. Maycommon
  6. Junpeak season
  7. Julpeak season
  8. Augpeak season
  9. Seppeak season
  10. Octuncommon
  11. Novrare
  12. Decnot usually seen

Darker months: more checklists report it. Outlined: peak month.

Ospreys in Rhode Island, species by species

SpeciesFirst arrivalsCommon byPeakMost gone byPeak %
OspreyMar 15-21Mar 22-31Aug 1-7Sep 15-2148%
0%20%40%60%OspreyJanFebMarAprMayJunJulAugSepOctNovDec
  • Osprey
Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

Frequency is the share of complete checklists in Rhode Island that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

Where in Rhode Island

Best counties for Osprey

Share of checklists at the peak
  1. Bristol CountyBest early August · 269 checklists that week, 15,899 in all83%
  2. Washington CountyBest early August · 1079 checklists that week, 65,038 in all56%
  3. Newport CountyBest mid August · 550 checklists that week, 33,574 in all48%
  4. Kent CountyBest the second week of August · 361 checklists that week, 16,966 in all36%
  5. Providence CountyBest the second week of August · 517 checklists that week, 40,898 in all23%

Common questions

When do ospreys arrive in Rhode Island?
Ospreys reach Rhode Island in mid March, are common by late March, peak in early August (48% of checklists), and most are gone by mid September.
When do ospreys leave Rhode Island?
Most Ospreys have left Rhode Island by mid September, when reports fall below half their usual rate. Stragglers are still reported until late October.
When is the best time to see ospreys in Rhode Island?
The Osprey is reported most often in early August, on about 48% of Rhode Island checklists.