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Yuzyk, D. I.; Chaplygina, A. B. Ashing of the Shell and Contents of Eggs of the Collared Flycatcher (Ficedula Albicollis Temminck, 1815) and Big Tit (Parus Major Linnaeus, 1758, Parus Caeruleus Linnaeus, 1758) in Different Territories of North-Eastern Ukraine. ean 2021, 32, 97-101.