BirdAnalyst
Species · Wyoming · BBS 2026 Release · 1966–2025

Red Crossbill Population Trend in Wyoming

All statesForest birds

Red Crossbill in Wyoming has edged up: up 14% on the route-weighted index since 1970.

+14%Since 1970TrendPercent 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 →
46Routes 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 →
55YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Red Crossbill 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 Red Crossbill in Wyoming. See the full index history below.

Red Crossbill Population Forecast in Wyoming

If the recent trend holds, Red Crossbill in Wyoming is projected to stay roughly flat through 2030, near 1.1 (95% range 0.00–5.8). A 5-year backtest shows a typical error of ±6.5%, with 100% of held-out values landing inside the 95% band.

-9%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 →
1.1Projected 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 →
0.00–5.895% 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 →
±6.5%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, Red Crossbill in Wyoming is projected to stay roughly flat through 2030, near 1.1 (95% range 0.00–5.8). A 5-year backtest shows a typical error of ±6.5%, with 100% of held-out values landing inside the 95% band.19682030
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 →
20261.20.005.9
20271.20.005.9
20281.10.005.9
20291.10.005.8
20301.10.005.8

Red Crossbill Survey Routes in Wyoming

Routes recording Red Crossbill 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 →
Moskee7220011980
Sundance2420251975
Crazy Woman2320241979
Ryan Park2220252012
Bald Mtn1420251991
Colter Bay 21120252019
Moskee 31120252022
West Thumb1019821982
Dayton1020241982
Moskee 21020212002
Ne Entrance820232003
Seely819991996
Horse Creek620251983
Brookhurst520001972
Leo520122012
Fletcher Pk520251979
Redbird419841984
Savery419931989
Moose419901976
Shawnee420251993
Pine Bluff419811981
Ethete320232023
Meadowdale319841984
Mtn View320242021
Gvnt Valley220241999

Red Crossbill Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradogeorgiaidahoillinoismainemarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-carolinanorth-dakotaoregonpennsylvaniasouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsin

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