The physiological and genetic differences between flycatchers (Ficedula albicollis vs. Ficedula hypoleuca)
Maria Drahulian, Angela Chaplygina, Nadiia Savynska, Svitlana Kostenko, Pavlo Ostrovskyi, Katerina Gusar
Breeding phenology of Common Redstart (Phoenicurus phoenicurus) and its reproduction biology with artificial nests in Northeastern Ukraine
Olena Yarys, Angela Chaplygina, Roman Kratenko