When do bluebirds leave Maryland?

The Eastern Bluebird does not leave Maryland: it is reported all year, from 23% of checklists in the second week of January to 34% in late October.

When is the best time to see bluebirds in Maryland?

The Eastern Bluebird is reported most often in late October, on about 34% of Maryland checklists.

Eastern Bluebird · Sialia sialis

When Do Bluebirds Arrive in Maryland?

Photo: Dan Vickers, CC BY 4.0 via iNaturalist

The Eastern Bluebird is in Maryland all year. It turns up on about 34% of checklists at its peak (late October) and on 23% in its quietest week (the second week of January). They are the only regular bluebirds in Maryland.

When to look

PresentAll year

Peak weekOct 22-31late October

Quietest weekJan 8-14the second week of January

Best: late October. Here all year. Peak: on about 34% of Maryland checklists.

Jancommon
Febpeak season
Marpeak season
Aprpeak season
Maypeak season
Junpeak season
Julpeak season
Augcommon
Seppeak season
Octpeak season
Novpeak season
Decpeak season

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

Bluebirds in Maryland, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
Eastern Bluebird	all year	–	Oct 22-31	–	34%

Eastern Bluebird

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 Maryland 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 Maryland

Best counties for Eastern Bluebird

Share of checklists at the peak

Queen Anne's CountyBest the second week of November · 418 checklists that week, 26,875 in all54%
Charles CountyBest the second week of June · 267 checklists that week, 10,064 in all52%
Howard CountyBest mid October · 1786 checklists that week, 118,290 in all46%
Washington CountyBest the second week of November · 307 checklists that week, 24,020 in all45%
Talbot CountyBest mid March · 668 checklists that week, 31,140 in all44%
Harford CountyBest early November · 635 checklists that week, 39,311 in all42%

Common questions

When do bluebirds arrive in Maryland?: The Eastern Bluebird is in Maryland all year. It turns up on about 34% of checklists at its peak (late October) and on 23% in its quietest week (the second week of January). They are the only regular bluebirds in Maryland.
When do bluebirds leave Maryland?: The Eastern Bluebird does not leave Maryland: it is reported all year, from 23% of checklists in the second week of January to 34% in late October.
When is the best time to see bluebirds in Maryland?: The Eastern Bluebird is reported most often in late October, on about 34% of Maryland checklists.