Abstract

Ecological segregation of Thrushes of genus Turdus in terms of Volyn Polissia

Highlights

  • In Volyn Polissia, avifauna of genus Turdus is represented by five species: Turdus pilaris (Fieldfare), T. merula (Common Blackbird), T. iliacus (Redwing), T. philomelos (Song Thrush) and T. viscivorus (Mistle Thrush)

  • Important role for nesting of thrushes in Volyn Polissia play deciduous forests formed with alder (Alnus glutinosa), silver birch (Betula pendula), English oak (Quercus robur) and aspen (Populus tremula), where found a significant rate of nests of Song Thrush (19.,3 %) and Blackbird (15.0 %)

  • For the overwhelming majority of ecological characteristics the most similar Song Thrush and Blackbird (DE = 38.36). They have the similar biotopical prefe­ rences because prefer forest habitats and forest edges, nesting almost on the same height (1.58 and 2.00 m, ) and have the similar feed rations. All this gives us the reason to conclude that ecological segregation of Song Thrush and Blackbird in the forest ecosystems of Volyn Polissia is minimal

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Summary

Introduction

In Volyn Polissia, avifauna of genus Turdus is represented by five species: Turdus pilaris (Fieldfare), T. merula (Common Blackbird), T. iliacus (Redwing), T. philomelos (Song Thrush) and T. viscivorus (Mistle Thrush). O. Tarasenko that inhabit sympatrical in particular ecosystems is still actual, what helps to understand the principles of distribution of ecological resources, development of lifestyle and the place and role of each species in the appropriate grouping [17, 22]

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