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

Gray Partridge In Badlands and Prairies

All regionsBadlands and PrairiesGeneralists

Gray Partridge in Badlands and Prairies has surged: up 293% on the route-weighted index since 1970.

+293%Since 1970
47Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Gray Partridge has surged in Badlands and Prairies: up 293% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Gray Partridge in Badlands and Prairies is projected to fall about 67% by 2029 — from 0.59 in 2024 to a central estimate of 0.20 (95% range 0.00–0.60). A 5-year backtest shows a typical error of ±63.8%, with 60% of held-out values landing inside the 95% band.

-67%Change by 2029
0.20Projected 2029 index
0.00–0.6095% range
±63.8%Backtest error
19682029
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
20250.200.000.61
20260.200.000.61
20270.200.000.61
20280.200.000.60
20290.200.000.60

Routes In Badlands and Prairies

Routes recording Gray Partridge in Badlands and Prairies.
DickinsonNORTH-DAKOTA122024
BentleyNORTH-DAKOTA112024
CircleMONTANA82013
HighwoodMONTANA32023
FlatwillowMONTANA32007
Reed PointMONTANA32012
LindsayMONTANA32024
BowmanNORTH-DAKOTA32000
Roosevelt PkNORTH-DAKOTA32017
Cedar CreekNORTH-DAKOTA32022
GolvaNORTH-DAKOTA32023
LodgepoleSOUTH-DAKOTA32017
Eagle ButteSOUTH-DAKOTA32006
RoyMONTANA22024
BrusettMONTANA21994
SavageMONTANA21993
Two DotMONTANA22024
ShawmutMONTANA21990
AlbionMONTANA21997
Wheat BasinMONTANA22024
Dunn CenterNORTH-DAKOTA22024
ZapNORTH-DAKOTA22024
Glen UllinNORTH-DAKOTA22022
SolenNORTH-DAKOTA22017
CarsonNORTH-DAKOTA22022

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