Photo 24226530, (c) Scott E Severs, some rights reserved (CC BY-NC), uploaded by Scott E Severs

Attribution © Scott E Severs some rights reserved Uploaded by sedsevers Source iNaturalist Associated observations Photos / Sounds 2 photos What Calliope Hummingbird (Selasphorus calliope) Observer sedsevers Date September 1, 2018 05:29 PM MDT Place 1789–1799 48th St, Boulder, CO, US (Google, OSM) Date Added September 2, 2018 11:04 PM MDT Description Juvenile 2 IDs Research Grade View Sizes small medium large original