BirdAnalyst
Species · Missouri · BBS 2025 Release · 1966–2024

Snowy Egret Population Trend in Missouri

All statesWetland birds

Snowy Egret in Missouri has held roughly steady: up 4% on the route-weighted index since 1990.

+4%Since 1990TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
5Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
14YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Snowy Egret Trends in MissouriNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Snowy Egret in Missouri. See the full index history below.

Snowy Egret Survey Routes in Missouri

Routes recording Snowy Egret in Missouri.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Pineville720062006
Deventer420111977
Cassville119961996
New Point119941994
Ohio120182018

Snowy Egret Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianakansaslouisianamainemarylandmassachusettsmississippinebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaoklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvirginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.