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

Black-chinned Hummingbird Population Trend in Montana

All statesGeneralists

Black-chinned Hummingbird in Montana has fallen sharply: down 56% on the route-weighted index since 2000.

-56%Since 2000TrendPercent 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 →
6Routes 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 →
13YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Black-chinned Hummingbird Trends in MontanaNotable 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 Montana. See the full index history below.

Black-chinned Hummingbird Survey Routes in Montana

Routes recording Black-chinned Hummingbird in Montana.
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 →
Ninemile320031998
Kalispell120162003
Greenough120002000
Whitefish Lake120242024
St Regis120082008
Thompson Riv120092009

Black-chinned Hummingbird Population Trend in Other States

arizonacaliforniacoloradoidahonevadanew-mexicooklahomaoregontexasutahwashingtonwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.