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

Calliope Hummingbird Population Trend in Utah

All statesGeneralists

Calliope Hummingbird in Utah has fallen sharply: down 70% on the route-weighted index since 1997.

-70%Since 1997TrendPercent 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 →
5Routes 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 →
15YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Calliope Hummingbird Trends in UtahNotable 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 Calliope Hummingbird in Utah. See the full index history below.

Calliope Hummingbird Survey Routes in Utah

Routes recording Calliope Hummingbird in Utah.
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 →
Lost Cr. Res120051995
E. Bear Lake120192008
Logan Canyon120132001
Hardware Ranch120152011
Boulder119691969

Calliope Hummingbird Population Trend in Other States

californiaidahomontananevadaoregonwashingtonwyoming

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