title: Ecology. Explaining bird migration.
authors.affiliation: Department of Biological and Environmental Sciences, 00014 University of Helsinki, Finland. olivier.gilg@gmail.com
authors.forename: Olivier
authors.initials: O
authors.lastname: Gilg
authors.forename: Nigel G
authors.initials: NG
authors.lastname: Yoccoz
mesh_terms: D025041:Animal Migration; D000818:Animals; D001110:Arctic Regions; D001717:Birds / Q000502:physiology*; D017753:Ecosystem; D009425:Nesting Behavior; D011156:Population Density; D011157:Population Dynamics; D011235:Predatory Behavior