Species · BCR 17 · BBS 2025 Release · 1966–2024

Bobolink In Badlands and Prairies

Bobolink in Badlands and Prairies has surged: up 190% on the route-weighted index since 1969.

+190%Since 1969
96Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Bobolink has surged in Badlands and Prairies: up 190% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Bobolink in Badlands and Prairies is projected to rise about 34% by 2029 — from 5.5 in 2024 to a central estimate of 7.4 (95% range 4.1–11). A 5-year backtest shows a typical error of ±23.4%, with 100% of held-out values landing inside the 95% band.

+34%Change by 2029
7.4Projected 2029 index
4.11195% range
±23.4%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
20257.03.610
20267.13.710
20277.23.811
20287.34.011
20297.44.111

Routes In Badlands and Prairies

Routes recording Bobolink in Badlands and Prairies.
DickinsonNORTH-DAKOTA562024
BowmanNORTH-DAKOTA482024
Glen UllinNORTH-DAKOTA472022
GorhamNORTH-DAKOTA462018
PromiseSOUTH-DAKOTA362015
Two DotMONTANA352024
LodgepoleSOUTH-DAKOTA332024
Ft YatesNORTH-DAKOTA312004
DaytonWYOMING302024
TobaccoNORTH-DAKOTA282019
CarsonNORTH-DAKOTA282024
Eagle ButteSOUTH-DAKOTA262015
Dunn CenterNORTH-DAKOTA242024
BentleyNORTH-DAKOTA242024
Cedar CreekNORTH-DAKOTA182022
HardingSOUTH-DAKOTA172019
IsabelSOUTH-DAKOTA172015
BrusettMONTANA152024
SolenNORTH-DAKOTA142024
LindsayMONTANA122024
GolvaNORTH-DAKOTA122023
ChamberlainSOUTH-DAKOTA112011
EnglewoodSOUTH-DAKOTA112021
Chuffey SpringMONTANA102023
AlbionMONTANA92023

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