Species · Wisconsin · BBS 2025 Release · 1966–2024

Black-capped Chickadee Population Trend in Wisconsin

Black-capped Chickadee in Wisconsin has surged: up 223% on the route-weighted index since 1968.

+223%Since 1968
98Routes In State
58Years

Notable Black-capped Chickadee Trends in Wisconsin

long arc increasecomputed index

Black-capped Chickadee has surged in Wisconsin: up 223% on the route-weighted index since 1968.

Black-capped Chickadee Population Forecast in Wisconsin

If the recent trend holds, Black-capped Chickadee in Wisconsin is projected to rise about 31% by 2029 — from 9.1 in 2024 to a central estimate of 12 (95% range 9.1–15). A 5-year backtest shows a typical error of ±35.2%, with 20% of held-out values landing inside the 95% band.

+31%Change by 2029
12Projected 2029 index
9.11595% range
±35.2%Backtest error
19662029
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
2025118.614
2026128.715
2027128.815
2028129.015
2029129.115

Black-capped Chickadee Survey Routes in Wisconsin

Routes recording Black-capped Chickadee in Wisconsin.
Irma3620241967
Washington I3620241967
Land O Lakes3420161967
Wausaukee3320241980
Eagle River2520241966
Raymond2520241976
Union Twp2420241966
Paris2120241969
Mukwonago 22120242005
Mcnaughton1820241966
Hudson1720241967
Conover1720241998
Iron River1620241967
Land O' Lakes 21620242017
River Falls1620241998
Hatfield1519981970
Saxeville1520241966
Dresser1420241966
Clintonville1320241967
Shanagolden1220241969
Popple River1220241966
Verona1220241991
Bayfield1120241967
Cumberland1120241967
Stratford1120241969

Black-capped Chickadee Population Trend in Other States

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