Photo 7066880, (c) Bob Drewes, all rights reserved, uploaded by Bob Drewes

Attribution © Bob Drewes all rights reserved Uploaded by bobdrewes Source iNaturalist Associated observations Photos / Sounds What Ring-necked Duck (Aythya collaris) Observer bobdrewes Date April 13, 2017 04:24 PM MDT Place Golden Gate Park, San Francisco, CA, USA (Google, OSM) Date Added April 14, 2017 04:31 PM MST 2 IDs Research Grade View Sizes small medium large original