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Species · BCR 16 · BBS 2026 Release · 1966–2025

Broad-tailed Hummingbird In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

Broad-tailed Hummingbird in Southern Rockies / Colorado Plateau has edged up: up 22% on the route-weighted index since 1970.

+22%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 →
207Routes 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 →
57YearsYears 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 Broad-tailed Hummingbird in Southern Rockies / Colorado Plateau. See the full index history below.

Broad-tailed Hummingbird In Southern Rockies / Colorado Plateau Population Forecast

If the recent trend holds, Broad-tailed Hummingbird in Southern Rockies / Colorado Plateau is projected to rise about 13% by 2030 — from 5.2 in 2025 to a central estimate of 5.9 (95% range 3.2–8.7). A 5-year backtest shows a typical error of ±33.9%, with 100% of held-out values landing inside the 95% band.

+13%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 →
5.9Projected 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 →
3.2–8.795% 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 →
±33.9%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, Broad-tailed Hummingbird in Southern Rockies / Colorado Plateau is projected to rise about 13% by 2030 — from 5.2 in 2025 to a central estimate of 5.9 (95% range 3.2–8.7). A 5-year backtest shows a typical error of ±33.9%, 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 →
20265.93.18.6
20275.93.18.6
20285.93.28.7
20295.93.28.7
20305.93.28.7

Routes In Southern Rockies / Colorado Plateau

Routes recording Broad-tailed Hummingbird in Southern Rockies / Colorado Plateau.
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 →
TincupCOLORADO442025
Stillwater PassCOLORADO442009
Gold HillCOLORADO352012
Gold Hill 2COLORADO342025
AspenCOLORADO312025
ParlinCOLORADO302025
Lost LakeCOLORADO302025
TarryallCOLORADO282025
Trail Ridge RoadCOLORADO282014
Comanche PkCOLORADO262024
Rollins PassCOLORADO232025
Angel FireNEW-MEXICO232002
Wet Mtns.COLORADO222025
HeeneyCOLORADO222019
GallinasNEW-MEXICO222025
Steamboat L.COLORADO212025
CastletonCOLORADO202025
Fox CreekCOLORADO202025
Weston Pass 2COLORADO202025
Stillwater Pass 2COLORADO202025
Deadman Rd.COLORADO192025
Ojo SarcoNEW-MEXICO192025
Rifle FallsCOLORADO182025
BeckUTAH181987
Wasatch NfUTAH182024

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