Duck
the popular name given to various Anatidæ, and especially to those of the two sub-families Anatinæ and Fuligulinæ. The former are called by Swainson, river ducks, or sometimes also true ducks, and the latter sea ducks. A similar distinction into sea ducks and pond あいり DUCKS 1. Ring Necked Duck 3. American Widgeon 2. Surf Scoter 4. Mandarin Duck hinder toe very broad. The Anatinæ, or true ducks, are migratory birds, coming and going in large flocks.