Based on 2,186 research-grade iNaturalist observations in Missouri, Eastern Bluebird is most often recorded in April; in Missouri it behaves like a year-round resident. It ranks #10 among birds recorded in the state in our data.
Sialia sialis
Eastern Bluebird in Missouri by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Missouri in April

American Robin
Canada Goose

Northern Cardinal

Mallard

White-throated Sparrow

Mourning Dove
Red-winged Blackbird

American Goldfinch
Places to look in Missouri
Missouri Botanical Garden
Mark Twain National Forest
Missouri State Arboretum
Big Oak Tree State Park
Table Rock State Park
Mark Twain Birthplace State Historic Site
FAQ
When does Eastern Bluebird appear in Missouri?
Mainly October–July, with the most records in April.
How common is Eastern Bluebird in Missouri?
It ranks #10 by number of iNaturalist observations among birds in Missouri (2,186 records in our sample).