Title
The structure of mixed-species bird flocks, and their response to anthropogenic disturbance, with special reference to East Asia
Author(s)
Goodale, E.;Ding, P.;Liu, X.;Martínez, A.;Si, X.;Walters, M.;Robinson, S.K.
Published
2015
Publisher
Avian Research
Abstract
Mixed-species flocks of birds are distributed world-wide and can be especially dominant in temperate forests during the non-breeding season and in tropical rainforests year-round. We review from a community ecology perspective what is known about the structure and organization of flocks, emphasizing that flocking species tend to be those particularly vulnerable to predation, and flocks tend to be led by species that are able to act as sources of information about predators for other species. Studies on how flocks respond to fragmentation and land-use intensification continue to accumulate, but the question of whether the flock phenomenon makes species more vulnerable to anthropogenic change remains unclear. We review the literature on flocks in East Asia and demonstrate there is a good foundation of knowledge on which to build. We then outline potentially fruitful future directions, focusing on studies that can investigate how dependent species are on each other in flocks, and how such interdependencies might affect avian habitat selection in the different types of human-modified environments of this region.
Keywords
Biodiversity crisis;Biological networks;Community assembly;Competition;Interspecific communication;Keystone species;Mutualism;Predation
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PUB15515