Solovyeva, Diana, Tomas Aarvak, Vladimir Emelianov, Alexander Kondratiev, Inga Bysykatova-Harmey, Sergey Kharitonov, Denis Kochetkov, Maria Reutova, and Sonia Rozenfeld. 2022. “Distinguishing Tundra Bean Goose Anser Fabalis Subspecies: Blind Testing Goose Experts, Using Photographs Taken in the Field”. Wildfowl 72 (72):152-63. https://tidsskrift.dk/Wildfowl/article/view/156324.