BirdAnalyst
Species · New York · BBS 2025 Release · 1966–2024

Sedge Wren Population Trend in New York

All statesGrassland birds

Sedge Wren in New York has held roughly steady: down 7% on the route-weighted index since 1971.

-7%Since 1971TrendPercent 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 →
18Routes 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 →
19YearsYears 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 New YorkNotable 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 New York. See the full index history below.

Sedge Wren Population Forecast in New York

If the recent trend holds, Sedge Wren in New York is projected to stay roughly flat through 2021, near 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±31.9%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2021TrendPercent 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 →
0.01Projected 2021 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.0495% 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 →
±31.9%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 New York is projected to stay roughly flat through 2021, near 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±31.9%, with 100% of held-out values landing inside the 95% band.19682021
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 →
20170.010.000.04
20180.010.000.04
20190.010.000.04
20200.010.000.04
20210.010.000.04

Sedge Wren Survey Routes in New York

Routes recording Sedge Wren in New York.
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 →
E Youngstown219861986
Huntington219811981
Pulaski220161977
N Wilmurt219731973
West Seneca219861986
Duanesburg219741974
Ogdensburg119931980
Penfield119751970
N Victory 2119811981
Alder Creek119851985
Rifton119771977
Philadelphia120101980
Mt Morris119711971
Speculator119741974
Gainesville119681968
Salem119701970
Cherry Hill120081973
Nashville119731973

Sedge Wren Population Trend in Other States

connecticutdelawareillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamissourimontananebraskanew-hampshirenorth-dakotaohiopennsylvaniasouth-dakotavermontvirginiawisconsin

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