Results 1 to 10 of about 1,857 (190)
В Якутии зеленоголовая трясогузка (Motacilla taivana) — малоизученный вид, гнездование которой регулярно отмечается в г. Якутске с 2019 г. Наблюдения, проведенные на территории ипподрома АГАТУ в 2024 г., впервые выявили факт гнездового паразитизма ...
Ольга Николаевна Протопопова +1 more
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大杜鹃(Cuculus canorus)俗称布谷鸟,体长约320mm。主要栖息在山地的森林内,常穿飞于林间,有时也息落于大树尖上,繁殖期叫声经久不息,卵大小约23×18mm,灰白色,具褐色斑点。食物主要是松毛虫、午毒蛾、枯叶蛾等毛虫,是食虫益鸟。
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THE PHORESY OF THE LOUSE MALLOPHAGA ON THE POPULATION OF THE LOUSE-FLY HIPPOBOSCIDAE
Objective of research: To study the role of phoresy of the louse Mallophaga on the population of the louse-fly Hippoboscidae.Material and methods: In 1997–2015 more than 10000 birds were caught; from them about 2000 louse-flies Hippoboscidae were ...
A. V. Matyuhin
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Surrogate species are often used to represent broader groups in conservation and research. However, whether a single species can truly reflect an entire ecosystem remains debated.
Dominika Winiarska +3 more
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Red-backed shrike (Lanius collurio) versus common cuckoo (Cuculus canorus): An example of ineffective cuckoo-hawk mimicry. [PDF]
Krausová L +8 more
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Ecological barriers present significant challenges to bird migration by limiting the availability of stopover sites and shelters. The Qinghai-Tibet Plateau, a major migratory barrier located in higher latitude Central Asia, exerts a substantial influence
Zhichang Cheng +5 more
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Asymmetry of eye color in the common cuckoo
Bilateral symmetry is assumed to contribute to the evolution of eye color, with the left and right eye being the same color in most vertebrates; yet, few studies tested this assumption. Here, we compared the amount of iris flecking (black spots presented
Ha-Na Yoo, Jin-Won Lee, Jeong-Chil Yoo
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Semiotic modeling of mimicry with reference to brood parasitism
Biological mimicry can be considered as having a double-layered structure: there is a layer of ecological relations between species and there is a layer of semiotic relations of the sign. The present article demonstrates the limitations of triadic models
Timo Maran
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Egg laying behavior of common cuckoos ( Cuculus canorus): Data based on field video-recordings. [PDF]
Wang LW +4 more
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Oriental Reed Warblers do not abandon Common Cuckoo chicks during prolonged nestling periods
The Oriental Reed Warbler (Acrocephalus orientalis) is one of the most commonly used hosts for the parasitic Common Cuckoo (Cuculus canorus). However, as hosts that feed unrelated parasitic nestlings may suffer extra reproductive costs, they may be less ...
Hanlin Yan +5 more
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