great blue heron

alone america animal ardea ardeidae aves avian background beak bill biodiversity bird blue breed breeding central close closeup colorful edge environment fauna feathers fluffy foot gray great grey habitat herodias heron karlsruhezoo legs looking natural nature neck north one ornithology outdoors outside plumage plumes pond portrait profile reeds rocks side single stand standing stands states stood tall united upright usa vertical wader wading watercolor wetland white wild wildlife zoology