Photo 16907386, (c) Ann Cooper, some rights reserved (CC BY-NC), uploaded by Ann Cooper

Attribution © Ann Cooper some rights reserved Uploaded by wordswild Source iNaturalist Associated observations Photos / Sounds What Pied-billed Grebe (Podilymbus podiceps) Observer wordswild Date April 28, 2018 12:55 PM MDT Place Boulder County, CO, USA (Google, OSM) Date Added April 29, 2018 06:35 PM MDT Description CO Boulder Co Walden Ponds 2 IDs Research Grade View Sizes small medium large original Copyright Ann Cooper