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

Eared Grebe In Prairie Potholes

All regionsPrairie PotholesWetland birds

Eared Grebe in Prairie Potholes has surged: up 39× on the route-weighted index since 1970.

39×Since 1970
48Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Eared Grebe has surged in Prairie Potholes: up 39× on the route-weighted index since 1970.

Forecast

If the recent trend holds, Eared Grebe in Prairie Potholes is projected to rise about 22% by 2029 — from 2.0 in 2024 to a central estimate of 2.5 (95% range 0.41–4.6). A 5-year backtest shows a typical error of ±28.9%, with 100% of held-out values landing inside the 95% band.

+22%Change by 2029
2.5Projected 2029 index
0.41–4.695% range
±28.9%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
20252.40.274.4
20262.40.304.5
20272.40.344.5
20282.50.384.5
20292.50.414.6

Routes In Prairie Potholes

Routes recording Eared Grebe in Prairie Potholes.
WestbyMONTANA1212023
Wild RoseNORTH-DAKOTA762024
EdgeleyNORTH-DAKOTA352019
Horsehead LkNORTH-DAKOTA282024
MontpelierNORTH-DAKOTA162019
TenneyMINNESOTA151992
BraddockNORTH-DAKOTA122022
Lakota 2NORTH-DAKOTA122024
Lake GeorgeNORTH-DAKOTA102021
Sheyenne LkNORTH-DAKOTA102024
BuchananNORTH-DAKOTA82024
VirgelleMONTANA62018
White LakeSOUTH-DAKOTA52011
CourtlandMINNESOTA42005
GlasgowMONTANA41982
Ester LakeMONTANA42024
DanzigNORTH-DAKOTA42004
VolgaSOUTH-DAKOTA41991
SunburstMONTANA32006
ClevelandMONTANA32010
MaltaMONTANA32024
WebsterNORTH-DAKOTA32022
DawsonMINNESOTA22005
Great FallsMONTANA22018
WhitlashMONTANA22024

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