greater scaup - aythya marila

america anatidae animals anseriformes aquatic avian aythya bay beak birding birds canada canadian conservation divers diving duck ducks environment environmental feather footed fowl fresh freshwater greater horizontal humber land living marila marine marsh marshes natural nature north ocean ontario organism ornithology outdoors outside park salt scaup sea tidal toronto urban watching water waterfowl web webfooted wet wetland wild wildlife wing bluebill blue bill