Photo 61932054, (c) Sandy Wolkenberg, some rights reserved (CC BY), uploaded by Sandy Wolkenberg

Attribution © Sandy Wolkenberg some rights reserved Uploaded by sadawolk Source iNaturalist Associated observations Photos / Sounds What Common Merganser (Mergus merganser) Observer sadawolk Date February 21, 2020 02:01 PM EST Place Overpeck County Park, Ridgefield Park, NJ, US (Google, OSM) Date Added February 21, 2020 10:37 PM EST Description In flock of Hooded Mergansers 3 IDs Research Grade View Sizes small medium large original