Photo 99146525, (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 9 photos What Double-crested Cormorant (Nannopterum auritum) Observer dtread1 Date October 6, 2020 10:54 AM EDT Place Colmar Manor, MD 20722, USA (Google, OSM) Date Added October 6, 2020 11:24 PM EDT Description Observed two of them, although I was only able to get one picture of both of them together. 2 IDs Research Grade View Sizes small medium large original