great blue heron stalking for small fishes

alone america american aquatic ardea bill bird birds black blue break edge edges environment feathers fish fishes for fowl frogs great greenway grey habitat herodias heron horizontal hunt insects lake lakes lone long meal neck one outdoors outside plumes pond ponds river rivers roanoke salem shallow shallows single small snakes stalk stalking standing states stream streams tall united upright usa vertical virginia wade wading water waterbird waterfowl wetland wild wildlife