Photo 6354333, (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien

Attribution © Liam O'Brien some rights reserved Uploaded by robberfly Source iNaturalist Associated observations Photos / Sounds 2 photos What Black-tailed Bumble Bee (Bombus melanopygus) Observer robberfly Date February 22, 2017 11:34 AM PST Place Fort Mason, San Francisco, CA, US (Google, OSM) Date Added February 22, 2017 02:49 PM PST 4 IDs Research Grade View Sizes small medium large original