The loons (North America) or divers (UK/Ireland) are a group of aquatic birds found in many parts of North America and northern Eurasia (Europe, Asia and debatably Africa). All living species of loons are members of one genus, Gavia, family, Gaviidae, and order Gaviiformes all of their own. The loons are the size of a large duck or small goose, which they somewhat resemble in shape when swimming. Their plumage's largely black-and-white, with grey on the head and neck in some species, and a whi… (More on Loon)