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

Sora In Prairie Potholes

All regionsPrairie PotholesWetland birds

Sora in Prairie Potholes has surged: up 147% on the route-weighted index since 1969.

+147%Since 1969
106Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Sora has surged in Prairie Potholes: up 147% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Sora in Prairie Potholes is projected to rise about 21% by 2029 — from 2.1 in 2024 to a central estimate of 2.6 (95% range 0.24–5.0). A 5-year backtest shows a typical error of ±79%, with 100% of held-out values landing inside the 95% band.

+21%Change by 2029
2.6Projected 2029 index
0.24–5.095% range
±79%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
20252.50.144.9
20262.50.174.9
20272.50.194.9
20282.60.224.9
20292.60.245.0

Routes In Prairie Potholes

Routes recording Sora in Prairie Potholes.
BuchananNORTH-DAKOTA242024
CarpioNORTH-DAKOTA202023
Horsehead LkNORTH-DAKOTA192024
Crow CreekSOUTH-DAKOTA192019
LakotaNORTH-DAKOTA172009
Wild RoseNORTH-DAKOTA132024
WestbyMONTANA92023
WalcottNORTH-DAKOTA92015
Sheyenne LkNORTH-DAKOTA92024
BraddockNORTH-DAKOTA92022
Lakota 2NORTH-DAKOTA92024
HowardSOUTH-DAKOTA92024
SydneyNORTH-DAKOTA81983
Bowesmont 2NORTH-DAKOTA82016
Powers LakeNORTH-DAKOTA72024
White LakeSOUTH-DAKOTA72011
TurtonSOUTH-DAKOTA72019
FormanNORTH-DAKOTA62024
EmeradoNORTH-DAKOTA62024
Danzig 2NORTH-DAKOTA62024
BroadlandSOUTH-DAKOTA62010
GettysburgSOUTH-DAKOTA62023
CooperstownNORTH-DAKOTA52024
ReganNORTH-DAKOTA52022
VeblenSOUTH-DAKOTA52022

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