BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Long-billed Curlew In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieShorebirds

Long-billed Curlew in Central Mixed Grass Prairie has declined: down 29% on the route-weighted index since 1969.

-29%Since 1969
18Routes In Region
55Years

Notable Signals

No notable trend signals for Long-billed Curlew in Central Mixed Grass Prairie. See the full index history below.

Forecast

If the recent trend holds, Long-billed Curlew in Central Mixed Grass Prairie is projected to fall about 64% by 2029 — from 0.30 in 2024 to a central estimate of 0.11 (95% range 0.00–0.80). A 5-year backtest shows a typical error of ±113.9%, with 100% of held-out values landing inside the 95% band.

-64%Change by 2029
0.11Projected 2029 index
0.00–0.8095% range
±113.9%Backtest error
19672029
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
20250.150.000.84
20260.140.000.83
20270.130.000.82
20280.120.000.81
20290.110.000.80

Routes In Central Mixed Grass Prairie

Routes recording Long-billed Curlew in Central Mixed Grass Prairie.
Piester LakeNEBRASKA82024
MullenNEBRASKA82023
GordonNEBRASKA52024
MisslerKANSAS31981
ArthurNEBRASKA32024
MinneapolisKANSAS21980
RinggoldNEBRASKA22024
AlmeriaNEBRASKA11992
Swan LakeNEBRASKA12005
JohnstownNEBRASKA12013
KennedyNEBRASKA12016
TableNEBRASKA11974
Crescent LkNEBRASKA12017
BrownleeNEBRASKA12024
NenzelNEBRASKA12024
BeaverOKLAHOMA11981
GraybackTEXAS11993
LakeviewTEXAS12018

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