Wild grey heron, ardea cinerea, a long-legged wading bird, preening and grooming its plumages in the middle of the lake at Daan Forest Park, Taipei city, Taiwan, close up shot

grey gray heron ardea cinerea long leg wading bird species ardeidae asia lake pond preen groom wetland daan forest park parkland water stand animal birdwatching wild widllfie wildlife taipei taiwan xinyi district environment zoo feather plumage urban city black perch conservation ecosystem nature natural habitat migration behaviour clean bill beak