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

Warbling Vireo In Shortgrass Prairie

All regionsShortgrass PrairieForest birds

Warbling Vireo in Shortgrass Prairie has surged: up 82% on the route-weighted index since 1973.

+82%Since 1973
40Routes In Region
51Years

Notable Signals

long arc increasecomputed index

Warbling Vireo has surged in Shortgrass Prairie: up 81% on the route-weighted index since 1973.

Forecast

If the recent trend holds, Warbling Vireo in Shortgrass Prairie is projected to rise about 118% by 2029 — from 0.07 in 2024 to a central estimate of 0.16 (95% range 0.03–0.29). A 5-year backtest shows a typical error of ±63.6%, with 100% of held-out values landing inside the 95% band.

+118%Change by 2029
0.16Projected 2029 index
0.03–0.2995% range
±63.6%Backtest error
19682029
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
20250.150.020.28
20260.150.020.28
20270.150.030.28
20280.150.030.28
20290.160.030.29

Routes In Shortgrass Prairie

Routes recording Warbling Vireo in Shortgrass Prairie.
KiowaCOLORADO21998
Wildhorse LCOLORADO22022
JulesburgCOLORADO22021
ElbertCOLORADO22022
WallaceKANSAS21999
CrawfordNEBRASKA22019
Pine RidgeNEBRASKA22023
YoderWYOMING22024
PinneoCOLORADO12014
FlemingCOLORADO12006
Last ChanceCOLORADO12001
BoyeroCOLORADO11992
LamarCOLORADO12010
HudsonCOLORADO12016
Adams Co.COLORADO12015
CrowleyCOLORADO12007
VillegreenCOLORADO12000
AmherstCOLORADO11995
NeegrandeCOLORADO12007
Fort MorganCOLORADO12024
Doyle Bridge 2COLORADO12023
ArsenalCOLORADO12015
Arsenal 2COLORADO12022
LakinKANSAS12014
RuletonKANSAS12004

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