All White Eastern Great Egret Perched on Pine Tree Branches Opens Beak and Breathing With Shivering Neck Throat - closeup

eastern great egret open crying cry scream bill beak mouth pine tree rest relax hide south korea seoul forest park closeup all white behavior great egret egret ardea alba modesta ardea alba bird preen feather perched sit nest one throat breathing attracting attention screaming neck behaviour avian quack sing tongue shivering shaking branches plumage shiver wild wildlife