BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Mountain Chickadee In Shortgrass Prairie

All regionsShortgrass PrairieForest birds

Mountain Chickadee in Shortgrass Prairie has collapsed: down 88% on the route-weighted index since 1998.

-88%Since 1998
3Routes In Region
26Years

Notable Signals

long arc declinecomputed index

Mountain Chickadee has collapsed in Shortgrass Prairie: down 88% on the route-weighted index since 1998.

Forecast

If the recent trend holds, Mountain Chickadee in Shortgrass Prairie is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.30). A 5-year backtest shows a typical error of ±418.1%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.04Projected 2029 index
0.00–0.3095% range
±418.1%Backtest error
19832029
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
20250.060.000.32
20260.060.000.32
20270.050.000.31
20280.050.000.30
20290.040.000.30

Routes In Shortgrass Prairie

Routes recording Mountain Chickadee in Shortgrass Prairie.
KiowaCOLORADO41988
ElbertCOLORADO22024
Kiowa 2COLORADO12023

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