BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Blue Grosbeak In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieGeneralists

Blue Grosbeak in Central Mixed Grass Prairie has surged: up 151% on the route-weighted index since 1969.

+151%Since 1969
126Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Blue Grosbeak has surged in Central Mixed Grass Prairie: up 151% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Blue Grosbeak in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 4.0 (95% range 2.6–5.4). A 5-year backtest shows a typical error of ±27%, with 40% of held-out values landing inside the 95% band.

-10%Change by 2029
4.0Projected 2029 index
2.6–5.495% range
±27%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
20253.82.45.1
20263.82.45.2
20273.92.55.3
20283.92.55.3
20294.02.65.4

Routes In Central Mixed Grass Prairie

Routes recording Blue Grosbeak in Central Mixed Grass Prairie.
EldoradoTEXAS222023
BoelusNEBRASKA142022
KanopolisKANSAS132024
HendleyNEBRASKA132024
WoodwardOKLAHOMA132024
StrattonNEBRASKA122024
Berwyn 2NEBRASKA122018
CashionOKLAHOMA112024
BartleyNEBRASKA102024
PetersburgNEBRASKA102023
SicklesOKLAHOMA102021
PhrosoOKLAHOMA102024
BradyNEBRASKA92024
BerwynNEBRASKA92010
HollisOKLAHOMA92024
MertzonTEXAS92018
ClarendonTEXAS92024
AshlandKANSAS82021
RexfordKANSAS82024
KenesawNEBRASKA82024
ArthurNEBRASKA82024
MullenNEBRASKA82023
WeinertTEXAS81994
GrimesOKLAHOMA72024
ErickOKLAHOMA72024

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