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

Pine Warbler Population Trend in Minnesota

All statesForest birds

Pine Warbler in Minnesota has surged: up 487% on the route-weighted index since 1969.

+487%Since 1969
34Routes In State
55Years

Notable Pine Warbler Trends in Minnesota

long arc increasecomputed index

Pine Warbler has surged in Minnesota: up 487% on the route-weighted index since 1969.

Pine Warbler Population Forecast in Minnesota

If the recent trend holds, Pine Warbler in Minnesota is projected to rise about 40% by 2029 — from 0.69 in 2024 to a central estimate of 0.97 (95% range 0.59–1.3). A 5-year backtest shows a typical error of ±11.6%, with 100% of held-out values landing inside the 95% band.

+40%Change by 2029
0.97Projected 2029 index
0.59–1.395% range
±11.6%Backtest error
19672029
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
20250.910.531.3
20260.920.551.3
20270.940.561.3
20280.950.581.3
20290.970.591.3

Pine Warbler Survey Routes in Minnesota

Routes recording Pine Warbler in Minnesota.
Blackduck2320222004
Cass Lake620161980
Evergreen620241969
Cohasset620221975
Hart Lake520241975
Bigfork520241995
Hovland419951991
Mahtowa420231994
Chisholm420242019
Nebish320231982
Cromwell320241996
Sawbill Lndg320241987
Nett Lake320182013
Babbitt320231998
Glendale320241993
Tamarac Nwr220241991
Backus220241967
Pine River220231971
Sherry Lake220212001
Lude220111979
Jordan220162004
Red Lake219941994
Minnetonka120092009
Princeton120052005
Wigwam Bay119951976

Pine Warbler Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianakentuckylouisianamainemarylandmassachusettsmichiganmississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsin

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