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Species · Minnesota · BBS 2025 Release · 1966–2024

Blue-winged Warbler Population Trend in Minnesota

All statesForest birds

Blue-winged Warbler in Minnesota has surged: up 306% on the route-weighted index since 1971.

+306%Since 1971
16Routes In State
44Years

Notable Blue-winged Warbler Trends in Minnesota

long arc increasecomputed index

Blue-winged Warbler has surged in Minnesota: up 306% on the route-weighted index since 1971.

Blue-winged Warbler Population Forecast in Minnesota

If the recent trend holds, Blue-winged Warbler in Minnesota is projected to fall about 30% by 2029 — from 0.20 in 2024 to a central estimate of 0.14 (95% range 0.06–0.22). A 5-year backtest shows a typical error of ±41.9%, with 40% of held-out values landing inside the 95% band.

-30%Change by 2029
0.14Projected 2029 index
0.06–0.2295% range
±41.9%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.130.050.21
20260.140.050.22
20270.140.060.22
20280.140.060.22
20290.140.060.22

Blue-winged Warbler Survey Routes in Minnesota

Routes recording Blue-winged Warbler in Minnesota.
Caledonia 2820242013
Caledonia420091993
Chatfield 2320242006
Debs320172017
Whitewater320001994
Money Creek220181971
Sherburne Nr220232017
Frontenac220192008
Chatfield119771977
Ashby120122012
Millville120111968
Minnetonka119911991
Blackduck120052005
Tamarac Nwr119981996
Whitewater 2120192011
Nett Lake120182016

Blue-winged Warbler Population Trend in Other States

alabamaarkansasconnecticutdelawaregeorgiaillinoisindianaiowakentuckymarylandmassachusettsmichiganmississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandtennesseevermontvirginiawest-virginiawisconsin

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