energy reserves / empty site / food / nest site / /
Movie
Egg / /
NaturalFeature
Lake Tanganyika / Lake Malawi / /
Organization
Illinois State University / Russian Academy of Sciences / Max-Planck-Institut für Verhaltensphysiologie / /
Person
Solomon / James Cole / Dmitry Zworykin / Cameron Prince / Konrad Lorenz / Prince / Jack Ward / Joe Waas / Gerry FitzGerald / Michelle de Fraipont / Tanya Lanfranconi-Izawa / Miles Keenleyside / Michael Taborsky / Robert Lavery / Kenneth McKaye / Brian Wisenden / Michael Shennan / /