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

Savannah Sparrow In Badlands and Prairies

Savannah Sparrow in Badlands and Prairies has increased: up 42% on the route-weighted index since 1969.

+42%Since 1969
93Routes In Region
57Years

Notable Signals

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

Forecast

If the recent trend holds, Savannah Sparrow in Badlands and Prairies is projected to rise about 23% by 2029 — from 3.4 in 2024 to a central estimate of 4.2 (95% range 2.1–6.3). A 5-year backtest shows a typical error of ±22.1%, with 100% of held-out values landing inside the 95% band.

+23%Change by 2029
4.2Projected 2029 index
2.16.395% range
±22.1%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
20254.01.96.1
20264.11.96.2
20274.12.06.2
20284.12.06.3
20294.22.16.3

Routes In Badlands and Prairies

Routes recording Savannah Sparrow in Badlands and Prairies.
Two DotMONTANA682024
DickinsonNORTH-DAKOTA542024
GorhamNORTH-DAKOTA422018
ShawneeWYOMING332002
BowmanNORTH-DAKOTA222024
GolvaNORTH-DAKOTA182023
ShawmutMONTANA152024
Eagle ButteSOUTH-DAKOTA142015
WinifredMONTANA122023
Maynard CouleeMONTANA112024
IsabelSOUTH-DAKOTA112015
Coleman CouleeMONTANA102023
Cedar CreekNORTH-DAKOTA102022
Wheat BasinMONTANA92024
Winifred 2MONTANA92024
St XavierMONTANA82010
ClarkelenWYOMING81977
RecluseWYOMING82023
Soda WellWYOMING82024
Flatwillow 2MONTANA72023
Glen UllinNORTH-DAKOTA62022
LaplantSOUTH-DAKOTA62009
VolunteerSOUTH-DAKOTA62012
RiverviewWYOMING61988
Reed PointMONTANA52024

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