BirdAnalyst
Species · Minnesota · BBS 2025 Release · 1966–2024

Red-necked Grebe Population Trend in Minnesota

All statesWetland birds

Red-necked Grebe in Minnesota has surged: up 352% on the route-weighted index since 1993.

+352%Since 1993TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
13Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
16YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Red-necked Grebe Trends in MinnesotaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Red-necked Grebe has surged in Minnesota: up 352% on the route-weighted index since 1993.

Red-necked Grebe Survey Routes in Minnesota

Routes recording Red-necked Grebe in Minnesota.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Bagley1220061995
Glenwood220071993
Hartland220012001
Dawson220042004
Knapp220062006
Brainerd120241997
Ashby119971997
Le Center120012001
Nebish119951995
Backus119851985
Edwards120052003
Glyndon120051999
Tenney119901990

Red-necked Grebe Population Trend in Other States

alaskaidahomontananorth-dakotaoregonwashingtonwisconsinwyoming

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