BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Calliope Hummingbird In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

Calliope Hummingbird in Southern Rockies / Colorado Plateau has collapsed: down 86% on the route-weighted index since 1984.

-86%Since 1984
4Routes In Region
13Years

Notable Signals

No notable trend signals for Calliope Hummingbird in Southern Rockies / Colorado Plateau. See the full index history below.

Routes In Southern Rockies / Colorado Plateau

Routes recording Calliope Hummingbird in Southern Rockies / Colorado Plateau.
BoulderUTAH11969
Lost Cr. ResUTAH12005
Logan CanyonUTAH12013
Fletcher PkWYOMING11984

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