MeSH definition : A water bird in the order Anseriformes (subfamily Anatinae (true ducks)) with a broad
blunt bill, short legs, webbed feet, and a waddling gait.;
MeSH synonym : duck;
MeSH annotation : domestic or wild; IM; qualif permitted; diseases: coord IM with POULTRY DISEASES (IM);
diseases of wild ducks: coord IM with BIRD DISEASES (IM), not POULTRY DISEASES; diseases in domestic ducks: coordinate with POULTRY DISEASES; diseases in wild ducks:
coordinate with BIRD DISEASES;
Wikipedia link : https://en.wikipedia.org/wiki/Duck;