Photo 31473558, (c) Denis, some rights reserved (CC BY-NC), uploaded by Denis

Attribution © Denis some rights reserved Uploaded by denis_tishin Source iNaturalist Associated observations Photos / Sounds What Eurasian Tree Sparrow (Passer montanus) Observer denis_tishin Date February 20, 2017 08:59 AM MSK Place Vysokaya Gora, Tatarstan, Russia (Google, OSM) Date Added February 16, 2019 09:01 AM MSK 5 IDs Research Grade View Sizes small medium large original