Connection of the Great Tit with the urbanic landscape in winter. - V.A. Kovalev, I.A. Prisada. - Berkut. 5 (2). 1996. P. 200.
In 1978-1983 more than 7000 Great Tits were ringed in Kharkov region. This study has shown that a part of birds migrates from natural habitats to urban territories and winters there. It is discovered the tendency to constancy of wintering places. [Russian].