Closeup Of Grey Heron Looking Around In Yangjaecheon, South Korea

closeup heron stand look yangjaecheon grey heron yangje stream longlegged wading bird longnecked animal nature natural behavior neck great river grey wing plumage beak standing asian wading birds avian birdwatching close up water bird wetland wildlife wader wilderness fauna green feather grass one wings water environment ecology nat geo waterbird habitat coastal birds asia wild ornithology