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

Lark Bunting In Great Basin

All regionsGreat BasinGrassland birds

Lark Bunting in Great Basin has fallen sharply: down 64% on the route-weighted index since 1995.

-64%Since 1995
19Routes In Region
19Years

Notable Signals

long arc declinecomputed index

Lark Bunting has fallen sharply in Great Basin: down 64% on the route-weighted index since 1995.

Forecast

If the recent trend holds, Lark Bunting in Great Basin is projected to stay roughly flat through 2026, near 0.00 (95% range 0.00–0.22). A 5-year backtest shows a typical error of ±704.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2026
0.00Projected 2026 index
0.00–0.2295% range
±704.8%Backtest error
19902026
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
20220.020.000.24
20230.010.000.23
20240.010.000.23
20250.000.000.22
20260.000.000.22

Routes In Great Basin

Routes recording Lark Bunting in Great Basin.
Blackft ResIDAHO212004
BerylUTAH92019
Lost RiverIDAHO62006
Peplin MountainUTAH52005
SnowvilleUTAH42004
Pasadena ValIDAHO22000
Grouse CreekUTAH21996
DeltaUTAH22005
DuboisIDAHO12005
CareyIDAHO12012
Daniels ResIDAHO12004
PrestonIDAHO12004
Twin ButtesIDAHO12005
Kyle CanyonIDAHO12019
Circular BuIDAHO12015
Tractor FlatIDAHO12021
Salt SpringsUTAH12019
Johnson CanUTAH12004
Bear RiverUTAH12004

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