When do orioles leave Oklahoma?

Most Baltimore Orioles have left Oklahoma by the second week of September, when reports fall below half their usual rate. Stragglers are still reported until late September.

When is the best time to see orioles in Oklahoma?

The Baltimore Oriole is reported most often in the second week of May, on about 20% of Oklahoma checklists.

Which orioles are in Oklahoma?

Baltimore Oriole, Orchard Oriole, and Bullock's Oriole are reported regularly; the Baltimore Oriole is the most common.

3 oriole species in Oklahoma

When Do Orioles Arrive in Oklahoma?

Photo: Daughter Dad, CC BY 4.0 via iNaturalist

Baltimore Orioles, Orchard Orioles, and Bullock's Orioles are the orioles you are most likely to see in Oklahoma. Baltimore Orioles arrive in Oklahoma in mid April, peak in the second week of May (20% of checklists), and most are gone by the second week of September.

Orioles here are the birds (Baltimore, Orchard, Bullock's and relatives), not the baseball team.

When to look

First arrivalsApr 15-21mid April

Common byApr 15-21mid April

PeakMay 8-14the second week of May

Most gone bySep 8-14the second week of September

Best: the second week of May. First arrivals mid April; most are gone by the second week of September. Peak: on about 20% of Oklahoma checklists.

Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Juncommon
Juluncommon
Augcommon
Sepuncommon
Octnot usually seen
Novnot usually seen
Decnot usually seen

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

Orioles in Oklahoma, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
Baltimore Oriole	Apr 15-21	Apr 15-21	May 8-14	Sep 8-14	20%
Orchard Oriole	Apr 15-21	Apr 22-30	May 8-14	Jul 8-14	12%
Bullock's Oriole	Apr 22-30	Apr 22-30	May 22-31	Jul 1-7	2.8%

Baltimore Oriole
Orchard Oriole
Bullock's Oriole

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 Oklahoma 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 Oklahoma

Best counties for Baltimore Oriole

Share of checklists at the peak

Custer CountyBest the second week of June · 50 checklists that week, 2,696 in all61%
Delaware CountyBest the second week of May · 74 checklists that week, 1,727 in all47%
Mayes CountyBest the second week of May · 22 checklists that week, 459 in all44%
Ottawa CountyBest the second week of May · 13 checklists that week, 418 in all43%
Kay CountyBest the second week of May · 30 checklists that week, 897 in all39%
Stephens CountyBest early May · 27 checklists that week, 945 in all38%

Common questions

When do orioles arrive in Oklahoma?: Baltimore Orioles arrive in Oklahoma in mid April, peak in the second week of May (20% of checklists), and most are gone by the second week of September.
When do orioles leave Oklahoma?: Most Baltimore Orioles have left Oklahoma by the second week of September, when reports fall below half their usual rate. Stragglers are still reported until late September.
When is the best time to see orioles in Oklahoma?: The Baltimore Oriole is reported most often in the second week of May, on about 20% of Oklahoma checklists.
Which orioles are in Oklahoma?: Baltimore Oriole, Orchard Oriole, and Bullock's Oriole are reported regularly; the Baltimore Oriole is the most common.