Photo 12907816, (c) Rich Stevenson, some rights reserved (CC BY-NC), uploaded by Rich Stevenson

Attribution © Rich Stevenson some rights reserved Uploaded by waterfallrich Source iNaturalist Associated observations Photos / Sounds What Great Gray Owl (Strix nebulosa) Observer waterfallrich Date October 2016 Place Yellowstone National Park, Park County, US-WY, US (Google, OSM) Date Added January 15, 2018 09:01 AM EST Description Yellowstone NP 8 IDs Research Grade View Sizes small medium large original