a juvenile cygnet mute swan (cygnus olor) preening its feathers on an autumn day

anatidae anseriformes cygnus olor east setauket october plumage harbor shore shoreline aquatic habitat autumn beach bird birds york north america united states cygnets fall feather gray morph juvenille long curved neck marina marsh monogamous mottled mute swan poquott preening seabird short legs water waterfowl wetlands bird cygnets swan olor marsh beach wetlands harbor waterfowl states america york setauket shoreline poquott marina fall october anseriformes water shore anatidae legs preening feather plumage birds habitat seabird neck mottled animal nature