BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Great-tailed Grackle In Great Basin

All regionsGreat BasinGeneralists

Great-tailed Grackle in Great Basin has surged: up 217% on the route-weighted index since 1996.

+217%Since 1996
23Routes In Region
24Years

Notable Signals

No notable trend signals for Great-tailed Grackle in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Great-tailed Grackle in Great Basin is projected to fall about 45% by 2029 — from 0.06 in 2024 to a central estimate of 0.04 (95% range 0.00–0.08). A 5-year backtest shows a typical error of ±193.7%, with 100% of held-out values landing inside the 95% band.

-45%Change by 2029
0.04Projected 2029 index
0.00–0.0895% range
±193.7%Backtest error
19892029
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
20250.030.000.08
20260.030.000.08
20270.030.000.08
20280.040.000.08
20290.040.000.08

Routes In Great Basin

Routes recording Great-tailed Grackle in Great Basin.
GoshenUTAH42024
CallaoUTAH42016
EurekaNEVADA32011
WillisNEVADA32024
Meadow VallyNEVADA22024
NubieberCALIFORNIA12014
BentonCALIFORNIA12003
LikelyCALIFORNIA11993
Crowley LakeCALIFORNIA12018
Honey LakeCALIFORNIA11996
DorrisCALIFORNIA12019
Mud LakeIDAHO12017
Majors PlaceNEVADA11989
Dobbin CreekNEVADA12017
HikoNEVADA12014
Ruby ValleyNEVADA12000
FallonNEVADA12023
Gardnerville 2NEVADA12018
Ruby Valley 2NEVADA12016
Fandango CanOREGON12011
Bear RiverUTAH12023
Pine CreekUTAH12000
NewcastleUTAH12010

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