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

Pyrrhuloxia In Shortgrass Prairie

Pyrrhuloxia in Shortgrass Prairie has collapsed: down 80% on the route-weighted index since 1969.

-80%Since 1969
14Routes In Region
53Years

Notable Signals

long arc declinecomputed index

Pyrrhuloxia has collapsed in Shortgrass Prairie: down 80% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Pyrrhuloxia in Shortgrass Prairie is projected to rise about 228% by 2029 — from 0.12 in 2024 to a central estimate of 0.39 (95% range 0.00–1.4). A 5-year backtest shows a typical error of ±347.6%, with 100% of held-out values landing inside the 95% band.

+228%Change by 2029
0.39Projected 2029 index
0.001.495% range
±347.6%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
20250.430.001.5
20260.420.001.4
20270.410.001.4
20280.400.001.4
20290.390.001.4

Routes In Shortgrass Prairie

Routes recording Pyrrhuloxia in Shortgrass Prairie.
PecosTEXAS1122017
WinkTEXAS271986
KermitTEXAS151999
SaragosaTEXAS62024
San SimonNEW-MEXICO52019
HobbsNEW-MEXICO31994
MentoneTEXAS32015
RankinTEXAS22024
StilesTEXAS22022
MidlandTEXAS22015
Kermit 2TEXAS22024
Cooley LakeNEW-MEXICO12010
PostTEXAS12019
Frankel CityTEXAS12022

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