What is Merginae?
{{Taxobox | name = Sea Ducks | image = Histrionicus histrionicus drake Barnegat.jpg | image_width = 250px | image_caption = [[Harlequin Duck]], ''Histrionicus histrionicus'' (male) | regnum = [[Animal]]ia | phylum = [[Chordate|Chordata]] | classis = [[Bird|Aves]] | ordo = [[Anseriformes]] | familia = [[Anatidae]] | subfamilia = '''Merginae'''}} The '''Merginae''' or '''seaducks''' are a subfamily of the [[Anatidae]], the [[duck]], [[goose]] and [[swan]] family of [[bird]]s. As the name suggests, most are [[Marine biology|marine]] outside the breeding season. Many species have specialized salt glands to allow them to tolerate salt water, but these have not yet developed in young birds. Some species prefer [[river]]ine [[habitats]]. {{biology-stub}} [[category:Ducks]]