Data sources

1. Paskalny, S.P., V.F. Sosin & V.G. Stro (1995): Red-breasted Goose on Yamal: Distribution, numbers and reproduction of the population. Bull. of the Goose Study Group of Eastern Europe and North Asia 1: 103-109.

2. Syroechkovski, E.E. jr. (1995): Changes in distribution and numbers of Red-breasted Goose in the 1980s-90s Bull. of the Goose Study Group of Eastern Europe and North Asia 1: 89-102.

3. Yerokhov, S. & Tolvanen, P.(1997): The preliminary results of Red-breasted Goose (Branta ruficollis) number monitoring during seasonal migration at Kustanay Region of Kasakhstan. unpubl. report 3 p.