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Species · Wyoming · BBS 2025 Release · 1966–2024

Canyon Wren Population Trend in Wyoming

All statesForest birds

Canyon Wren in Wyoming has collapsed: down 98% on the route-weighted index since 1979.

-98%Since 1979TrendPercent 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 →
22Routes 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 →
30YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Canyon Wren Trends in WyomingNotable 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 declinecomputed 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 →

Canyon Wren has collapsed in Wyoming: down 98% on the route-weighted index since 1979.

Canyon Wren Population Forecast in Wyoming

If the recent trend holds, Canyon Wren in Wyoming is projected to fall about 100% by 2026 — from 0.05 in 2021 to a central estimate of 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±2175.1%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2026TrendPercent 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 →
0.00Projected 2026 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1.195% 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 →
±2175.1%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, Canyon Wren in Wyoming is projected to fall about 100% by 2026 — from 0.05 in 2021 to a central estimate of 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±2175.1%, with 100% of held-out values landing inside the 95% band.19772026
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 →
20220.000.001.1
20230.000.001.1
20240.000.001.1
20250.000.001.1
20260.000.001.1

Canyon Wren Survey Routes in Wyoming

Routes recording Canyon Wren in Wyoming.
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 →
Rock Springs1119831977
Mtn View519831980
Cumberland219821977
Patrick Draw219801979
Moskee219951980
Moskee 2220212007
Dubois119951995
Mckinnon119821977
Hunter Peak119891989
Meeteetse120142003
Seely120001998
Anchor120022002
Gebo120212017
Worland119931993
Teapot Dome119831982
Rawlins 2120152015
Diamondville119801978
Green River119811981
Reliance119811978
Rawlins119901989
Pine Bluff119821982
Patrick Draw 2119821982

Canyon Wren Population Trend in Other States

arizonacaliforniacoloradoidahomontananevadanew-mexicooklahomaoregonsouth-dakotatexasutahwashington

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