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

Common Grackle In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieGeneralists

Common Grackle in Central Mixed Grass Prairie has edged down: down 23% on the route-weighted index since 1969.

-23%Since 1969
129Routes In Region
57Years

Notable Signals

No notable trend signals for Common Grackle in Central Mixed Grass Prairie. See the full index history below.

Forecast

If the recent trend holds, Common Grackle in Central Mixed Grass Prairie is projected to fall about 19% by 2029 — from 30 in 2024 to a central estimate of 25 (95% range 11–39). A 5-year backtest shows a typical error of ±13.6%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2029
25Projected 2029 index
11–3995% range
±13.6%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
2025261240
2026261240
2027251139
2028251139
2029251139

Routes In Central Mixed Grass Prairie

Routes recording Common Grackle in Central Mixed Grass Prairie.
KenesawNEBRASKA2082024
SumnerNEBRASKA1442024
SurpriseNEBRASKA1442024
BerwynNEBRASKA1122010
HamptonNEBRASKA1102024
CovertKANSAS972024
BelvidereNEBRASKA972024
StrattonNEBRASKA972024
Wheeler CoNEBRASKA922024
SargentNEBRASKA842024
PetersburgNEBRASKA782023
KearneyNEBRASKA722024
ColonyOKLAHOMA711995
Berwyn 2NEBRASKA652021
GrayKANSAS642019
MisslerKANSAS632019
Beloit 2KANSAS622018
MaxwellNEBRASKA582024
WellingtonKANSAS522024
BookerTEXAS512024
JohnstownNEBRASKA492024
Liberty 2NEBRASKA492007
TableNEBRASKA472024
ChapmanKANSAS461981
ChambersNEBRASKA452023

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