Accipiter nisus, Freilandaufnahmen. Nestbau, Beuteübergabe am Rupfplatz, Brüten, Schlüpfen der Jungen, Beuteübergabe am Horst, Fütterung der Jungen in verschiedenen Altersstufen, Ausfliegen der Jungen.

In a clump of pines at the edge of the Teutoburger Wald (east Westphalia) the breeding cycle of a sparrow hawk pair is observed. From the beginning of the building of the aerie with the hand over of prey already at this stage by the male to the female until independance of the young all important steps are shown in detail.