Loons ride low on the water and can dive and swim, foot-propelled, under water for several minutes. Order Podicipediformes . Aquatic birds, swimming on and below the surface, diving from surface, using the feet. Feet with front three toes individually lobed, nails flat and broad, hallux present, absent in some species. Tarsi laterally compressed.
Legs insert far behind middle of body.
Plumage thick, waterproof, and satiny in texture. Rarely come to land, nest on floating vegetation. Order Procellariiformes . Large soaring pelagic birds with a stout, hooked bill, with plates and two unfused tubular nostrils. Legs short, feet with hallux reduced or absent, front three toes webbed.