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Species · Wyoming · BBS 2026 Release · 1966–2025

Orchard Oriole Population Trend in Wyoming

All statesForest birds

Orchard Oriole in Wyoming has edged up: up 21% on the route-weighted index since 1975.

+21%Since 1975TrendPercent 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 →
47YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Orchard Oriole 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 →

No notable trend signals for Orchard Oriole in Wyoming. See the full index history below.

Orchard Oriole Population Forecast in Wyoming

If the recent trend holds, Orchard Oriole in Wyoming is projected to fall about 62% by 2030 — from 0.15 in 2025 to a central estimate of 0.06 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±80.7%, with 60% of held-out values landing inside the 95% band.

-62%Change by 2030TrendPercent 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 →
0.06Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.1795% 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 →
±80.7%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, Orchard Oriole in Wyoming is projected to fall about 62% by 2030 — from 0.15 in 2025 to a central estimate of 0.06 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±80.7%, with 60% of held-out values landing inside the 95% band.19692030
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 →
20260.060.000.17
20270.060.000.17
20280.060.000.17
20290.060.000.17
20300.060.000.17

Orchard Oriole Survey Routes in Wyoming

Routes recording Orchard Oriole 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 →
Lingle1420241980
Thunder Basin320252025
Dwyer220251995
Yoder220251969
Schoonover219941994
Riverview220192019
Newcastle220252025
Caballa Crk220212021
Lusk220252023
Sundance120042004
Midvale119931993
Redbird119881969
Rozet120252017
Gvnt Valley119961996
Arvada120252000
Recluse119901990
Seely119961992
Upton120252022
Anchor120022002
Raven120242024
Pine Bluff120161981
Moskee 2120032003

Orchard Oriole Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.