canadian goose feeding on the bottom of a river

america american americana anatidae anseriformes background bird birds black bottom branta canada canadensis fall feather feathers feed feeding flock flocks flying fowl fowls game geese goose head honk honking honks lake laying migrate migrating migration migratory nature neck nest nesting north ornithology outdoors pond river rivers roanoke species spring states stream summer swim swimming united virginia watching water waterfowl waterfowls wild wildlife wing wings winter