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

Field Sparrow In Prairie Potholes

All regionsPrairie PotholesGeneralists

Field Sparrow in Prairie Potholes has increased: up 39% on the route-weighted index since 1969.

+39%Since 1969
73Routes In Region
57Years

Notable Signals

No notable trend signals for Field Sparrow in Prairie Potholes. See the full index history below.

Forecast

If the recent trend holds, Field Sparrow in Prairie Potholes is projected to rise about 50% by 2029 — from 0.75 in 2024 to a central estimate of 1.1 (95% range 0.36–1.9). A 5-year backtest shows a typical error of ±30.7%, with 100% of held-out values landing inside the 95% band.

+50%Change by 2029
1.1Projected 2029 index
0.36–1.995% range
±30.7%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
20251.10.321.8
20261.10.331.9
20271.10.341.9
20281.10.351.9
20291.10.361.9

Routes In Prairie Potholes

Routes recording Field Sparrow in Prairie Potholes.
WinsideNEBRASKA322003
SpartaNEBRASKA242021
PoncaNEBRASKA192024
Winside 2NEBRASKA152022
Wolf PointMONTANA102024
MidwayNEBRASKA102023
MadisonNEBRASKA102019
TildenNEBRASKA92024
Eagle CreekNEBRASKA72024
RaymondSOUTH-DAKOTA61989
Crow CreekSOUTH-DAKOTA61990
Big StoneMINNESOTA52012
ParshallNORTH-DAKOTA52008
GarnerIOWA41992
ArlingtonMINNESOTA41974
GlyndonMINNESOTA41991
WylieMINNESOTA42019
GeddesSOUTH-DAKOTA42023
HuntleyMINNESOTA32022
Turtle MtnsNORTH-DAKOTA31988
Lane 2SOUTH-DAKOTA32014
HartlandMINNESOTA21977
DawsonMINNESOTA22017
OkleeMINNESOTA21988
FranklinMINNESOTA22019

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