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

Lark Bunting In Badlands and Prairies

All regionsBadlands and PrairiesGrassland birds

Lark Bunting in Badlands and Prairies has collapsed: down 79% on the route-weighted index since 1969.

-79%Since 1969
126Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Lark Bunting has collapsed in Badlands and Prairies: down 79% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Lark Bunting in Badlands and Prairies is projected to fall about 71% by 2029 — from 51 in 2024 to a central estimate of 15 (95% range 0.00–60). A 5-year backtest shows a typical error of ±22.8%, with 100% of held-out values landing inside the 95% band.

-71%Change by 2029
15Projected 2029 index
0.00–6095% range
±22.8%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
2025240.0069
2026220.0067
2027200.0065
2028170.0062
2029150.0060

Routes In Badlands and Prairies

Routes recording Lark Bunting in Badlands and Prairies.
ShawneeWYOMING4772024
IngomarMONTANA4752024
Pine TreeWYOMING3751995
ClarkelenWYOMING3441978
MaurineSOUTH-DAKOTA2582024
SavagetonWYOMING2572019
MeadowdaleWYOMING2392019
NewcastleWYOMING2012024
JordanMONTANA1892024
BillWYOMING1752018
IndianSOUTH-DAKOTA1542024
Jordan SouthMONTANA1512024
RevaSOUTH-DAKOTA1282024
PowdervilleMONTANA1252024
Caballa CrkWYOMING1112023
DwyerWYOMING1032019
Eagle ButteSOUTH-DAKOTA1022015
Soda WellWYOMING1012024
Dinosaurs H.M.MONTANA972024
RavenWYOMING912024
IsabelSOUTH-DAKOTA862015
RecluseWYOMING832024
LuskWYOMING832024
Ft YatesNORTH-DAKOTA762004
HighlightWYOMING762007

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