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

Sedge Wren Population Trend in Minnesota

All statesGrassland birds

Sedge Wren in Minnesota has edged up: up 22% on the route-weighted index since 1969.

+22%Since 1969TrendPercent 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 →
87Routes 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 →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Sedge Wren 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 →

No notable trend signals for Sedge Wren in Minnesota. See the full index history below.

Sedge Wren Population Forecast in Minnesota

If the recent trend holds, Sedge Wren in Minnesota is projected to rise about 44% by 2029 — from 4.7 in 2024 to a central estimate of 6.7 (95% range 3.5–10.0). A 5-year backtest shows a typical error of ±50.3%, with 80% of held-out values landing inside the 95% band.

+44%Change by 2029TrendPercent 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 →
6.7Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
3.5–10.095% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±50.3%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Sedge Wren in Minnesota is projected to rise about 44% by 2029 — from 4.7 in 2024 to a central estimate of 6.7 (95% range 3.5–10.0). A 5-year backtest shows a typical error of ±50.3%, with 80% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20256.63.39.8
20266.63.49.9
20276.73.49.9
20286.73.49.9
20296.73.510.0

Sedge Wren Survey Routes in Minnesota

Routes recording Sedge Wren 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 →
Big Stone2920121995
Backus2820241967
Brook Park2720241998
Tracy2420242004
Mahtowa2420231995
Lake Bronson1920111978
Mcgregor1920241993
Erie1820171976
Wigwam Bay1620231967
Greenbush1520241993
Princeton1420241969
Worthington1420242005
Lude1320231978
Grygla1320171976
Brainerd1120241993
Knapp1020191967
Badger1020181978
Mille Lacs920241969
St Stephen820161967
Appleton820231985
Cromwell820231967
Pine River820241969
Sherry Lake820221969
Chokio North820241993
Glendale820231993

Sedge Wren Population Trend in Other States

connecticutdelawareillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganmissourimontananebraskanew-hampshirenew-yorknorth-dakotaohiopennsylvaniasouth-dakotavermontvirginiawisconsin

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