О гибридизации сибирской (Phylloscopus collybita tristis) и восточноевропейской (Ph.c. abietinus) теньковок в зоне их симпатрии. // Гибридизация и проблема вида у позвоночныхстатья
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Дата последнего поиска статьи во внешних источниках: 29 ноября 2013 г.
Аннотация:Breeding ranges of two forms of Chiffchaff Phylloscopus collybita broadly overlap in the area extending from Kanin Peninsula on the noth-west to Southern Ural on the south-east/ Vocalisation of two forms differ considerably in character and sequence of syllables and whole temporal structure. Hybrid songs were taperecorded in different parts of the sympatry area. Together with skin collection this confirms existence of extensive hybridization zone between Siberian and East-European Chiffchaffs in the whole area of sympatry.