海量图书期刊资源，随时随地畅享阅读乐趣
Influence of body condition and weather on departures of first-year European robins, Erithacus rubecula, from an autumn migratory stopover siteArseny Tsvey, Victor N. Bulyuk and Vlad Kosarev · Behavioral Ecology and Sociobiology · 2007