The autumn aggregation of migratory waterfowl and waterbirds in the Lypivsky ornithological reserve (Cherkasy region) in 2012–2014
M. Gavrilyuk1, Î. Ilukha1, M. Borysenko2
1 Bohdan Khmelnytsky National University of Cherkasy
81, Shevchenko Blvd, Cherkasy 18031, Ukraine
2 Kaniv Nature Reserve
Kaniv, Cherkasy Region, 19000, Ukraine
The Lypivsky ornithological reserve is a shallow in the Kremenchuk reservoir. 40 species of waterfowl and waterbirds have been observed in three years. The highest species’ diversity was observed in 2012. The highest amount of birds in different years ranged from 13050 to 16260 specimens. The maximum number changed from 13050 to 16260 in different years. In 2013, the number of birds exceeded the long-term average by 8%. The Mallard was the most numerous in number. Its maximum quantity has grown from 9050 to 14360 specimens and its percentage among waterfowl and waterbirds is up to 88%. The Eurasian Coot is the second in number. Its maximum quantity ranged from 1640 to 8060 specimens in different years. Its percentage among waterfowl and waterbirds is up to 60%. In 2013, the number of specimens exceeded the 10-year-term average by 87%. Two more species (Great Cormorant and Tufted Duck) are the background ones. In 2014 the number of swans was the highest since 1995, with the Mute Swan predominating among swans. The Whooper Swan and the Bewick’s Swan were some dozens in number. In September the domineering species in the reserve are the Great Cormorant and the Eurasian Coot. The Mallard predominates in number in October and it retains its domineering status until the end of the season. There were found 5 species which are entered in the Red Book of Ukraine. The Lypivsky ornithological reserve is of international significance in the protection of migrating waterfowl and waterbirds.