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

Pygmy Nuthatch In Shortgrass Prairie

All regionsShortgrass PrairieForest birds

Pygmy Nuthatch in Shortgrass Prairie has surged: up 360% on the route-weighted index since 1982.

+360%Since 1982
5Routes In Region
34Years

Notable Signals

long arc increasecomputed index

Pygmy Nuthatch has surged in Shortgrass Prairie: up 360% on the route-weighted index since 1982.

Forecast

If the recent trend holds, Pygmy Nuthatch in Shortgrass Prairie is projected to fall about 17% by 2029 — from 0.27 in 2024 to a central estimate of 0.22 (95% range 0.06–0.39). A 5-year backtest shows a typical error of ±149.6%, with 80% of held-out values landing inside the 95% band.

-17%Change by 2029
0.22Projected 2029 index
0.06–0.3995% range
±149.6%Backtest error
19762029
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
20250.210.050.38
20260.210.050.38
20270.220.050.38
20280.220.050.38
20290.220.060.39

Routes In Shortgrass Prairie

Routes recording Pygmy Nuthatch in Shortgrass Prairie.
ElbertCOLORADO202024
Kiowa 2COLORADO22024
CrawfordNEBRASKA22019
Pine RidgeNEBRASKA22022
KiowaCOLORADO11999

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