heron on the shore of a lake

and animal ardea ardeidae aves barbes barbule beak being billn biology bird birdie bittern calamus chickadee coating covert egret environment fauna feather feathering fisheating flier heron heterotrophic indumentum integument lake large legged legs living long metazoa natural nature neck organism plumage plume pluricellular pointed rachis shore species tegument wading wild wildlife wing zoology