This blog post is provided by Ivan Pokrovsky, Andrea Kölzsch, Sherub Sherub, Wolfgang Fiedler, Peter Glazov, Olga Kulikova, Martin Wikelski and Andrea Flack and tells the #StoryBehindThePaper for the article “Longer days enable higher diurnal activity for migratory birds“, which was recently published in Journal of Animal Ecology. In general, animals attempt to live in conditions that fit them best. Species’ fitness results from a tradeoff between … Continue reading Daylength is an ultimate factor of migration