Eurasian Bittern (Botaurus stellaris) Eurasian Bittern (Botaurus stellaris) photo
Intimidation posture of an adult male; when released after ringing.
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This male did not try to escape but attack the ringers (Pripiat region). The birds were caught during a national scientific study (Institute of Zoology of Minsk, Academy of Sciences)


Recent material by Laurent Demongin