WhenToBird

Osprey · Pandion haliaetus

When Do Ospreys Arrive in Ohio?

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

Ospreys reach Ohio in mid March, are common by late March, peak in mid August (14% of checklists), and most are gone by early October.

When to look

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

Best: mid August. First arrivals mid March; most are gone by early October. Peak: on about 14% of Ohio checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Maruncommon
  4. Aprcommon
  5. Maycommon
  6. Juncommon
  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 Ohio, species by species

SpeciesFirst arrivalsCommon byPeakMost gone byPeak %
OspreyMar 15-21Mar 22-31Aug 15-21Oct 1-714%
0%5%10%15%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 Ohio 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 Ohio

Best counties for Osprey

Share of checklists at the peak
  1. Trumbull CountyBest early August · 382 checklists that week, 21,066 in all43%
  2. Ashtabula CountyBest the second week of August · 247 checklists that week, 12,390 in all37%
  3. Delaware CountyBest mid August · 858 checklists that week, 51,114 in all37%
  4. Pickaway CountyBest the second week of August · 114 checklists that week, 6,348 in all36%
  5. Stark CountyBest mid August · 544 checklists that week, 39,737 in all33%
  6. Shelby CountyBest the second week of September · 34 checklists that week, 1,659 in all32%

Common questions

When do ospreys arrive in Ohio?
Ospreys reach Ohio in mid March, are common by late March, peak in mid August (14% of checklists), and most are gone by early October.
When do ospreys leave Ohio?
Most Ospreys have left Ohio by early October, when reports fall below half their usual rate. Stragglers are still reported until mid October.
When is the best time to see ospreys in Ohio?
The Osprey is reported most often in mid August, on about 14% of Ohio checklists.