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The Lesser Spotted Eagle belongs to a species with obligatory cainism, which means that in the natural state it is rare that two young eagles fledge, although as a rule two chick's hatch. The breeding population in Germany is at the western edge of the species' range and is declining (a 23% decrease between 1993 and 2007). Local extinction can
Bernd-Ulrich MEYBURG; Kai GRASZYNSKI; Torsten LANGGEMACH; Paul SÖMMER; Ugis BERGMANIS