ORDEN C VAN (1960) Short contributions: Two Bitterns Botaurus stellaris attacking a Night Heron Nycticorax nycticorax. LIMOSA 33 (3): 201-201.
Eurasian Bittern Botaurus stellaris Black-crowned Night Heron Nycticorax nycticorax A specimen of the Night-Heron was prevented all the time from alighting. apparently for foraging. by two Bitterns that even while on the wing picked at it.
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