비오리

Etymology
Probably from +  (Modern Korean ). These fish-eaters have sharply serrated bills, hence also known as, , , and Korean "comb duck."

Noun

 * 1) A merganser.
 * 2) The,.

Synonyms

 * (Note: Although they are seaducks, most of the mergansers prefer riverine habitats, only red-breasted mergansers being common on the sea.)