Four young common kestrels (Falco tinnunculus) in nest box, Hesse, Germany, Europe

4 animal protection animal rights animals in the wild animals animal bird of prey birds of prey breeding area breeding grounds breeding ground common kestrels common kestrel cub diurnal bird of prey diurnal birds of prey eurasian kestrel european kestrel europe falcons falcon fauna four german federal republic germany group of animals groups of animals groups group hessen hesse hessia juvenile nest box nesting aids nesting aid nesting boxes nesting box nesting sites nesting site nesting nests nest nobody no one no people old world kestrel out pup raptor several animals suckling wild animals wild animal wildlife young animals young animal young