BIGYNY OF YELLOW-HEADED WAGTAIL MOTACILLA CITREOLA PALLAS 1776 (PASSERIFORMES, MOTACILLIDAE, MOTACILLINAE) UNDER SYMPATRIC CONDITIONS |
| 5 | |
| 2012 |
| 598.2 : 598.829 : 591.5 | |||
| 121-126 |
| We present the data on bigyny of yellow-headed wagtail Motacilla citreola Pallas, 1776 (Passeriformes, Motacillidae, Motacillinae) in the Middle Volga Region (the Penza Region) as a factor of isolation under sympatric conditions. |
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