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Responses of Yellowhammer Emberiza citrinella, Pine Bunting E. leucocephalos and their hybrids to playbacks of con- and heterospecific songs and calls in a hybrid zone

Alexey Opaev, Auteur ; Ekaterina Shishkina, Auteur ; Alexander Rubtsov, Auteur

Dans Ardea (111(2) October, 2023)

Yellowhammers Emberiza citrinella and Pine Buntings E. leucocephalos hybridize in a c. 2500 km wide sympatric zone in northwest Asia. In the centre of this zone, over the last 50 years males with Yellowhammer and intermediate (i. e. hybrid) phen[...]

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Article

Singing of Claudia’s Leaf-warbler (Phylloscopus claudiae) in aggressive contexts: role of song rate, song type diversity and song type transitional pattern

Alexey Opaev, Auteur ; Yulia Kolesnikova, Auteur ; Meishi Liu, Auteur ; Zujie Kang, Auteur

Dans Journal of Ornithology (160(2) April, 2019)

In many songbirds, males vary certain aspects of their singing behavior when engaged in territorial interactions. Song rate, song type switching rate, song matching, song overlapping, and the usage of specific song types were proposed to be aggr[...]

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Relationships between repertoire size and organization of song bouts in the Grey-crowned Warbler (Seicercus tephrocephalus)

Alexey Opaev, Auteur

Dans Journal of Ornithology (157(4) 2016/06/02)

The complexity of bird song could serve as an indicator of male quality. Repertoire size is a widely used measure of song complexity. However, little is known about the influence of repertoire size on the song sequencing patterns. At the same ti[...]

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