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

Red Crossbill In Shortgrass Prairie

All regionsShortgrass PrairieGeneralists

Red Crossbill in Shortgrass Prairie has fallen sharply: down 62% on the route-weighted index since 1981.

-62%Since 1981
7Routes In Region
36Years

Notable Signals

long arc declinecomputed index

Red Crossbill has fallen sharply in Shortgrass Prairie: down 62% on the route-weighted index since 1981.

Forecast

If the recent trend holds, Red Crossbill in Shortgrass Prairie is projected to fall about 31% by 2029 — from 0.19 in 2024 to a central estimate of 0.13 (95% range 0.00–0.80). A 5-year backtest shows a typical error of ±435.3%, with 100% of held-out values landing inside the 95% band.

-31%Change by 2029
0.13Projected 2029 index
0.00–0.8095% range
±435.3%Backtest error
19692029
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
20250.150.000.82
20260.150.000.82
20270.140.000.81
20280.140.000.81
20290.130.000.80

Routes In Shortgrass Prairie

Routes recording Red Crossbill in Shortgrass Prairie.
ElbertCOLORADO132024
Hay SpringsNEBRASKA102019
KiowaCOLORADO82016
Pine BluffWYOMING41981
CrawfordNEBRASKA32024
KimballNEBRASKA22022
Pine RidgeNEBRASKA12023

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