Photo 32762977, (c) Ken Rosenthal, some rights reserved (CC BY-NC), uploaded by Ken Rosenthal

Attribution © Ken Rosenthal some rights reserved Uploaded by krosenthal Source iNaturalist Associated observations Photos / Sounds 2 photos What Mute Swan (Cygnus olor) Observer krosenthal Date March 11, 2019 04:29 PM EDT Place Southwest Philadelphia, Philadelphia, PA, USA (Google, OSM) Date Added March 13, 2019 12:05 AM EDT 3 IDs Research Grade View Sizes small medium large original