Photo 110811402, (c) Dan Treadwell, some rights reserved (CC BY-NC), uploaded by Dan Treadwell

Attribution © Dan Treadwell some rights reserved Uploaded by dtread1 Source iNaturalist Associated observations Photos / Sounds 5 photos What Great Blue Heron (Ardea herodias) Observer dtread1 Date January 21, 2021 03:01 PM EST Place Silver Spring, MD, USA (Google, OSM) Date Added January 21, 2021 10:36 PM EST 3 IDs Research Grade View Sizes small medium large original