Photo 892889, (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 What Black-tailed Bumble Bee (Bombus melanopygus) Observer robberfly Date June 1, 2014 10:52 AM PDT Place Knowland Park, Oakland, CA, US (Google, OSM) Date Added June 1, 2014 12:56 PM PDT 1 comment 2 IDs Research Grade View Sizes small medium large original