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

Sora In Great Basin

All regionsGreat BasinWetland birds

Sora in Great Basin has surged: up 122% on the route-weighted index since 1972.

+122%Since 1972
96Routes In Region
54Years

Notable Signals

long arc increasecomputed index

Sora has surged in Great Basin: up 122% on the route-weighted index since 1972.

Forecast

If the recent trend holds, Sora in Great Basin is projected to rise about 43% by 2029 — from 0.16 in 2024 to a central estimate of 0.23 (95% range 0.04–0.41). A 5-year backtest shows a typical error of ±34.3%, with 100% of held-out values landing inside the 95% band.

+43%Change by 2029
0.23Projected 2029 index
0.04–0.4195% range
±34.3%Backtest error
19702029
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
20250.220.030.41
20260.220.030.41
20270.220.030.41
20280.230.040.41
20290.230.040.41

Routes In Great Basin

Routes recording Sora in Great Basin.
Fish LakeOREGON102024
Three ForksOREGON52011
BrewsterWASHINGTON52000
DorrisCALIFORNIA42019
ChinchaloOREGON42023
PrincetonOREGON31984
Malheur NwrOREGON31998
NubieberCALIFORNIA22017
LikelyCALIFORNIA22024
RirieIDAHO22000
BatesIDAHO22023
Modoc PointOREGON21974
BlyOREGON22001
PromontoryUTAH22008
LynnUTAH22010
Goose Creek Mtn.UTAH22019
Turnbull NwrWASHINGTON22023
IngallsCALIFORNIA11992
RavendaleCALIFORNIA11983
Honey LakeCALIFORNIA11999
MacdoelCALIFORNIA12019
CedarvilleCALIFORNIA12015
BakerIDAHO12023
LeadoreIDAHO12023
SquirrelIDAHO12023

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