BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Canyon Wren In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieForest birds

Canyon Wren in Central Mixed Grass Prairie has increased: up 44% on the route-weighted index since 1972.

+44%Since 1972TrendPercent 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 →
8Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
31YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Canyon Wren in Central Mixed Grass Prairie. See the full index history below.

Forecast

If the recent trend holds, Canyon Wren in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.10 (95% range 0.02–0.18). A 5-year backtest shows a typical error of ±140.4%, with 60% of held-out values landing inside the 95% band.

n/aChange 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 →
0.10Projected 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 →
0.02–0.1895% 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 →
±140.4%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 Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.10 (95% range 0.02–0.18). A 5-year backtest shows a typical error of ±140.4%, with 60% of held-out values landing inside the 95% band.19692029
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 →
20250.090.010.17
20260.100.010.17
20270.100.020.18
20280.100.020.18
20290.100.020.18

Routes In Central Mixed Grass Prairie

Routes recording Canyon Wren in Central Mixed Grass Prairie.
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 →
Wichita Mtns EastOKLAHOMA22022
Wichita Mts WestOKLAHOMA22022
WinchellTEXAS22005
SilverTEXAS22024
ReedOKLAHOMA12017
CoopertonOKLAHOMA12014
SicklesOKLAHOMA11992
MertzonTEXAS11980

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