Species · BCR 22 · BBS 2025 Release · 1966–2024

Carolina Chickadee In Eastern Tallgrass Prairie

Carolina Chickadee in Eastern Tallgrass Prairie has surged: up 154% on the route-weighted index since 1968.

+154%Since 1968
105Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Carolina Chickadee has surged in Eastern Tallgrass Prairie: up 154% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Carolina Chickadee in Eastern Tallgrass Prairie is projected to rise about 18% by 2029 — from 1.2 in 2024 to a central estimate of 1.4 (95% range 0.98–1.8). A 5-year backtest shows a typical error of ±17.4%, with 80% of held-out values landing inside the 95% band.

+18%Change by 2029
1.4Projected 2029 index
0.981.895% range
±17.4%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
20251.30.921.7
20261.30.931.7
20271.30.951.7
20281.40.971.8
20291.40.981.8

Routes In Eastern Tallgrass Prairie

Routes recording Carolina Chickadee in Eastern Tallgrass Prairie.
KeetonvilleOKLAHOMA262022
MoselleMISSOURI242024
AshleyOHIO182018
Mt VernonILLINOIS142024
WallaceINDIANA132024
House SpringsMISSOURI122024
HarveysburgOHIO111996
BradburyILLINOIS102024
St MorganILLINOIS102022
MarionOHIO102023
MonticelloINDIANA92024
DarrtownOHIO92021
Witts StationINDIANA82024
TecumsehOHIO81982
WainwrightOKLAHOMA82013
ReeceKANSAS72024
W CarrolltonOHIO72015
Mascoutah LkILLINOIS62024
Grape CreekILLINOIS62024
SwayzeeINDIANA62023
MelroseKANSAS62023
HumboldtKANSAS62022
PittsburgKANSAS62021
MoreheadKANSAS62024
WestervilleOHIO61983

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