Photo 763574, (c) kristward, some rights reserved (CC BY-NC), uploaded by kristward

Attribution © kristward some rights reserved Uploaded by kristward Source iNaturalist Associated observations Photos / Sounds 2 photos What Threespine Stickleback (Gasterosteus aculeatus) Observer kristward Date April 2, 2014 12:50 PM PDT Place Crissy Field, San Francisco, CA, US (Google, OSM) Date Added April 2, 2014 09:54 PM PDT 2 IDs Research Grade View Sizes small medium large original