Based on 2,409 research-grade iNaturalist observations in Missouri, Great Blue Heron is most often recorded in May; in Missouri it behaves like a seasonal. It ranks #5 among birds recorded in the state in our data.
Ardea herodias
Great Blue Heron 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 May
American Robin
Indigo Bunting
Northern Cardinal
Canada Goose
Rose-breasted Grosbeak
Red-winged Blackbird
House Sparrow
Swainson's Thrush
Places to look in Missouri
Botanical GardenMissouri Botanical Garden
National ForestMark Twain National Forest
Botanical GardenMissouri State Arboretum
State ParkBig Oak Tree State Park
State ParkTable Rock State Park
State ParkMark Twain Birthplace State Historic Site
FAQ
When does Great Blue Heron appear in Missouri?
Mainly April–October, with the most records in May.
How common is Great Blue Heron in Missouri?
It ranks #5 by number of iNaturalist observations among birds in Missouri (2,409 records in our sample).