Photo 10896596, (c) Justina Martelli, some rights reserved (CC BY-NC), uploaded by Justina Martelli

Attribution © Justina Martelli some rights reserved Uploaded by justinamartelli Source ArgentiNat Associated observations Photos / Sounds What Dusky Grouse (Dendragapus obscurus) Observer justinamartelli Date August 20, 2017 10:59 AM PDT Place Greenhorn Mountain, Colorado 81069, USA (Google, OSM) Date Added October 2, 2017 08:27 AM PDT 4 IDs Research Grade View Sizes small medium large original