BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Bobolink In Shortgrass Prairie

All regionsShortgrass PrairieGrassland birds

Bobolink in Shortgrass Prairie has surged: up 104% on the route-weighted index since 1982.

+104%Since 1982
13Routes In Region
34Years

Notable Signals

long arc increasecomputed index

Bobolink has surged in Shortgrass Prairie: up 104% on the route-weighted index since 1982.

Forecast

If the recent trend holds, Bobolink in Shortgrass Prairie is projected to fall about 85% by 2029 — from 0.55 in 2024 to a central estimate of 0.08 (95% range 0.00–0.29). A 5-year backtest shows a typical error of ±82.5%, with 80% of held-out values landing inside the 95% band.

-85%Change by 2029
0.08Projected 2029 index
0.00–0.2995% range
±82.5%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
20250.080.000.29
20260.080.000.29
20270.080.000.29
20280.080.000.29
20290.080.000.29

Routes In Shortgrass Prairie

Routes recording Bobolink in Shortgrass Prairie.
Hay SpringsNEBRASKA462024
BereaNEBRASKA92019
DaltonNEBRASKA72015
HudsonCOLORADO32022
Fort MorganCOLORADO22002
NeegrandeCOLORADO11994
JulesburgCOLORADO12017
WallaceKANSAS11982
PaxtonNEBRASKA12016
KimballNEBRASKA12015
CrawfordNEBRASKA12011
Agate 2NEBRASKA12023
Pine RidgeNEBRASKA12017

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