Photo 31952261, (c) Olga Biryukova, some rights reserved (CC BY-NC), uploaded by Olga Biryukova

Attribution © Olga Biryukova some rights reserved Uploaded by beerolha Source iNaturalist Associated observations Photos / Sounds What Eurasian Tree Sparrow (Passer montanus) Observer beerolha Date February 23, 2019 04:39 PM +14 Place Кстово, Нижегородская обл., Россия (Google, OSM) Date Added February 23, 2019 11:34 PM SST 6 IDs Research Grade View Sizes small medium large original