BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

Western Meadowlark In Sierra Nevada

All regionsSierra NevadaGrassland birds

Western Meadowlark in Sierra Nevada has surged: up 101% on the route-weighted index since 1971.

+101%Since 1971
21Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Western Meadowlark has surged in Sierra Nevada: up 101% on the route-weighted index since 1971.

Forecast

If the recent trend holds, Western Meadowlark in Sierra Nevada is projected to fall about 25% by 2029 — from 4.5 in 2024 to a central estimate of 3.4 (95% range 0.00–9.8). A 5-year backtest shows a typical error of ±103.3%, with 100% of held-out values landing inside the 95% band.

-25%Change by 2029
3.4Projected 2029 index
0.00–9.895% range
±103.3%Backtest error
19692029
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
20253.50.009.9
20263.50.009.9
20273.40.009.9
20283.40.009.8
20293.40.009.8

Routes In Sierra Nevada

Routes recording Western Meadowlark in Sierra Nevada.
PaxtonCALIFORNIA362024
SattleyCALIFORNIA262024
GoumazCALIFORNIA132011
Eagle LakeCALIFORNIA122024
Little TruckeeCALIFORNIA112023
GeneseeCALIFORNIA82024
Last ChanceCALIFORNIA32018
WoodfordsCALIFORNIA22024
RivertonCALIFORNIA22007
DardanelleCALIFORNIA12018
Greenhorn MtCALIFORNIA11975
Silver CityCALIFORNIA11977
Tuolumne GroveCALIFORNIA12015
Butte MeadowCALIFORNIA11997
Higgins CornCALIFORNIA11986
Hat CreekCALIFORNIA11982
LakeshoreCALIFORNIA12009
Meadow ValleyCALIFORNIA12024
CoultervilleCALIFORNIA12006
Pine MountainCALIFORNIA12004
ChilcootCALIFORNIA12024

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