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Species · BCR 20 · BBS 2026 Release · 1966–2025

Black-chinned Hummingbird In Edwards Plateau

All regionsEdwards PlateauForest birds

Black-chinned Hummingbird in Edwards Plateau has edged down: down 18% on the route-weighted index since 1969.

-18%Since 1969TrendPercent 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 →
19Routes 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 →
58YearsYears 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 Black-chinned Hummingbird in Edwards Plateau. See the full index history below.

Black-chinned Hummingbird In Edwards Plateau Population Forecast

If the recent trend holds, Black-chinned Hummingbird in Edwards Plateau is projected to rise about 181% by 2030 — from 0.81 in 2025 to a central estimate of 2.3 (95% range 1.1–3.5). A 5-year backtest shows a typical error of ±49.7%, with 80% of held-out values landing inside the 95% band.

+181%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 →
2.3Projected 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 →
1.1–3.595% 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 →
±49.7%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, Black-chinned Hummingbird in Edwards Plateau is projected to rise about 181% by 2030 — from 0.81 in 2025 to a central estimate of 2.3 (95% range 1.1–3.5). A 5-year backtest shows a typical error of ±49.7%, with 80% of held-out values landing inside the 95% band.19672030
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 →
20262.20.993.4
20272.21.03.4
20282.21.03.5
20292.31.13.5
20302.31.13.5

Routes In Edwards Plateau

Routes recording Black-chinned Hummingbird in Edwards 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 →
UtopiaTEXAS92024
LeakeyTEXAS42023
Valley SpgsTEXAS32025
Indian MtnTEXAS32025
Allen CreekTEXAS32024
HarperTEXAS22025
San SabaTEXAS22023
BoerneTEXAS12025
GeorgetownTEXAS11984
FitzhughTEXAS11982
PidcokeTEXAS12016
KempnerTEXAS12016
AdamsvilleTEXAS12025
Dripping SpgTEXAS12025
Pidcoke 2TEXAS12025
LeanderTEXAS12005
MontellTEXAS12025
Prairie Mtn.TEXAS12024
RockspringTEXAS12023

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