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

Eurasian Tree Sparrow Population Trend in Missouri

All statesGeneralists

Eurasian Tree Sparrow in Missouri has edged up: up 21% on the route-weighted index since 2007.

+21%Since 2007TrendPercent 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 →
7Routes 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 →
12YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Eurasian Tree Sparrow 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 Eurasian Tree Sparrow in Missouri. See the full index history below.

Eurasian Tree Sparrow Survey Routes in Missouri

Routes recording Eurasian Tree Sparrow 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 →
Rensselaer820191998
Kahoka2720242019
Millwood620242006
Auburn220212021
Emden120242022
Madison120242024
Frankford120242022

Eurasian Tree Sparrow Population Trend in Other States

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