BirdAnalyst
Species · BCR 11 · BBS 2025 Release · 1966–2024

Gray Partridge In Prairie Potholes

All regionsPrairie PotholesGeneralists

Gray Partridge in Prairie Potholes has surged: up 146% on the route-weighted index since 1969.

+146%Since 1969
113Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Gray Partridge has surged in Prairie Potholes: up 146% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Gray Partridge in Prairie Potholes is projected to fall about 59% by 2029 — from 0.92 in 2024 to a central estimate of 0.37 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±46%, with 100% of held-out values landing inside the 95% band.

-59%Change by 2029
0.37Projected 2029 index
0.00–1.595% range
±46%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
20250.430.001.6
20260.410.001.6
20270.400.001.6
20280.390.001.5
20290.370.001.5

Routes In Prairie Potholes

Routes recording Gray Partridge in Prairie Potholes.
CondeSOUTH-DAKOTA111984
GarnerIOWA81990
TracyMINNESOTA82004
GlentanaMONTANA72024
RedstoneMONTANA62024
ForbesSOUTH-DAKOTA61986
GlasgowMONTANA52024
Wolf PointMONTANA52024
DanzigNORTH-DAKOTA51995
Sheyenne LkNORTH-DAKOTA52024
HowardSOUTH-DAKOTA52007
ZearingIOWA41994
MaynardMINNESOTA42012
Chokio NorthMINNESOTA42005
VirgelleMONTANA42024
WhitlashMONTANA42022
LambertMONTANA42024
Douglas CrkNORTH-DAKOTA42024
BurchinalIOWA32015
BeltramiMINNESOTA31980
WylieMINNESOTA32024
OswegoMONTANA32023
EdgeleyNORTH-DAKOTA32009
Wild RoseNORTH-DAKOTA32023
ParshallNORTH-DAKOTA32013

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