The Stonechat is a host species of the Cuckoo in the West of Ukraine. - V.S. Talposh. - Berkut. 5 (1). 1996. P. 87-88.
Two Stonechat's nests with a nestling (24.05.1978) and a blue egg (16.06.1980) of the Cuckoo were found in Ternopil region. This hatched egg (the embris occupied 3/4 of its volume) was in a nest with 3 fledglings. They left the nest 19.06. [Russian].
Key words: Stonechat, Cuckoo, host species, nest, egg, nestling.