New details on the early stage of Great tit (Parus major) and Japanese tit (Parus minor) settlement of the Amur River basin, and inception of hybridization between them
Summary The first specimen of Great tit from Amur River basin was collected on the Shilka River in the eastern Trans-Baikal in May, 1855 by R. Maack (1859), and breeding by Japanese tits was strictly proved in 1869 at Lake Khanka, in southwest Ussuriland (Przhewalski, [...]