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

Blue Grosbeak In Shortgrass Prairie

All regionsShortgrass PrairieGeneralists

Blue Grosbeak in Shortgrass Prairie has surged: up 305% on the route-weighted index since 1969.

+305%Since 1969
122Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Blue Grosbeak has surged in Shortgrass Prairie: up 305% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Blue Grosbeak in Shortgrass Prairie is projected to rise about 11% by 2029 — from 2.8 in 2024 to a central estimate of 3.2 (95% range 2.4–3.9). A 5-year backtest shows a typical error of ±5%, with 100% of held-out values landing inside the 95% band.

+11%Change by 2029
3.2Projected 2029 index
2.4–3.995% range
±5%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
20253.02.23.8
20263.02.33.8
20273.12.33.9
20283.12.33.9
20293.22.43.9

Routes In Shortgrass Prairie

Routes recording Blue Grosbeak in Shortgrass Prairie.
PecosTEXAS352017
SabinosoNEW-MEXICO292021
Doyle BridgeCOLORADO231997
HookerOKLAHOMA202024
TrincheraCOLORADO172022
VariaderoNEW-MEXICO172022
SkellytownTEXAS162024
WaverlyCOLORADO152019
Doyle Bridge 2COLORADO152023
TenmileTEXAS152019
PaxtonNEBRASKA112016
LingleWYOMING112024
TucumcariNEW-MEXICO101975
Cooley LakeNEW-MEXICO102024
LoganNEW-MEXICO102024
Fort MorganCOLORADO92024
WallaceKANSAS82022
BenkelmanNEBRASKA82022
MaxwellNEW-MEXICO82024
NinaviewCOLORADO72024
DaltonNEBRASKA72024
Clear LakeOKLAHOMA72024
KeyesOKLAHOMA72024
ClaytonvilleTEXAS72022
FrionaTEXAS72024

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