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

Long-billed Curlew In Great Basin

All regionsGreat BasinShorebirds

Long-billed Curlew in Great Basin has surged: up 92% on the route-weighted index since 1970.

+92%Since 1970
145Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Long-billed Curlew has surged in Great Basin: up 92% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Long-billed Curlew in Great Basin is projected to stay roughly flat through 2029, near 2.1 (95% range 1.0–3.1). A 5-year backtest shows a typical error of ±11.9%, with 100% of held-out values landing inside the 95% band.

+4%Change by 2029
2.1Projected 2029 index
1.0–3.195% range
±11.9%Backtest error
19682029
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
20252.11.03.1
20262.11.03.1
20272.11.03.1
20282.11.03.1
20292.11.03.1

Routes In Great Basin

Routes recording Long-billed Curlew in Great Basin.
Ruby Valley 2NEVADA532024
SnowvilleUTAH402024
DeltaUTAH352021
DuboisIDAHO312024
Majors PlaceNEVADA312019
Trout CreekOREGON242021
Catlow RimOREGON202024
Malheur NwrOREGON152022
GoshenUTAH152024
Bear RiverUTAH152023
Alvord LakeOREGON132024
PromontoryUTAH132024
Ruby ValleyNEVADA112001
PrincetonOREGON111985
AdrianOREGON112021
LeadoreIDAHO92024
CedarvilleCALIFORNIA82019
Glenns FerryIDAHO81986
Mud LakeIDAHO82019
Mill CityNEVADA82023
Johnson CanUTAH82024
Hanford SiteWASHINGTON81994
Fish LakeOREGON72024
ChinchaloOREGON72024
Jericho JunctionUTAH72024

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