This web-footed swimming bird has a longer neck & longer legs than a duck
[DOC] [TLE] Goose septicemia - definition of goose septicemia by The Free ... [PAR] (Animals) any of various web-footed long-necked birds of the family Anatidae: ... 
1. any of numerous wild or domesticated web-footed swimming birds of the family 
... most of which are larger and have a longer neck and legs than the ducks.