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

Orchard Oriole Population Trend in Wyoming

All statesGeneralists

Orchard Oriole in Wyoming has edged down: down 10% on the route-weighted index since 1975.

-10%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 →
20Routes 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 →
46YearsYears 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 81% by 2029 — from 0.25 in 2024 to a central estimate of 0.05 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±64.8%, with 80% of held-out values landing inside the 95% band.

-81%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 →
0.05Projected 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 →
0.00–0.1695% 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 →
±64.8%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 81% by 2029 — from 0.25 in 2024 to a central estimate of 0.05 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±64.8%, with 80% 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 →
20250.050.000.16
20260.050.000.16
20270.050.000.16
20280.050.000.16
20290.050.000.16

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
Yoder420241969
Schoonover219941994
Arvada220242000
Riverview220192019
Caballa Crk220212021
Sundance120042004
Midvale119931993
Redbird119881969
Rozet120172017
Dwyer119951995
Gvnt Valley119961996
Recluse119901990
Seely119961992
Upton120242022
Anchor120022002
Raven120242024
Lusk120232023
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 2026-05-22.