作者: Keith A. Hobson , Anders P. Møller , Steven L. Van Wilgenburg
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摘要: In the last few decades, there has been renewed interest in establishing connections between breeding and wintering populations of long-distance migratory birds [1,2]. Much this is based on clear recognition that factors occurring at one period annual cycle can influence events another [3-7]. Such seasonal interactions reveal ultimate fitness consequences choice stopover locations made by travel to breed. For example, occupying favorable habitats are more likely achieve a suitable body condition arrive first A multi-isotope (δ13C, δ15N, δ2H) approach connecting European African barn swallow (Hirundo rustica)