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

Lark Sparrow In Badlands and Prairies

All regionsBadlands and PrairiesGrassland birds

Lark Sparrow in Badlands and Prairies has edged up: up 13% on the route-weighted index since 1969.

+13%Since 1969
132Routes In Region
57Years

Notable Signals

No notable trend signals for Lark Sparrow in Badlands and Prairies. See the full index history below.

Forecast

If the recent trend holds, Lark Sparrow in Badlands and Prairies is projected to stay roughly flat through 2029, near 5.8 (95% range 3.2–8.4). A 5-year backtest shows a typical error of ±45.1%, with 80% of held-out values landing inside the 95% band.

+7%Change by 2029
5.8Projected 2029 index
3.2–8.495% range
±45.1%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
20255.73.18.3
20265.73.18.3
20275.83.28.4
20285.83.28.4
20295.83.28.4

Routes In Badlands and Prairies

Routes recording Lark Sparrow in Badlands and Prairies.
NewcastleWYOMING452009
Pleasant ValSOUTH-DAKOTA402024
CusterMONTANA352022
BrandenbergMONTANA332019
Chuffey SpringMONTANA272024
ForsythMONTANA252023
Reed PointMONTANA232024
ArvadaWYOMING222024
Custer 2MONTANA212024
SchoonoverWYOMING212024
ZapNORTH-DAKOTA202024
SeelyWYOMING202000
PromiseSOUTH-DAKOTA192015
CrookstonNEBRASKA172024
RedbirdWYOMING171989
RosebudSOUTH-DAKOTA142011
HighlightWYOMING132007
Miles CityMONTANA122024
Cabin CreekMONTANA122024
BucknumWYOMING122024
BrusettMONTANA112024
JordanMONTANA102024
IngomarMONTANA92024
LindsayMONTANA92024
SolenNORTH-DAKOTA92024

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