The order Sphenisciformes, consisting of a single family, the penguins, is found only in the Southern Hemisphere. Penguins are marine birds with wings that have adapted to be more flipper-like than other birds. Penguins are flightless and, therefore, have no flight feathers. All Sphenisciformes are members of the class Aves or Birds.
Aptenodytes patagonica.The king penguin, reaching nearly 3 feet tall, is second only to the emperor penguin in size. This large flightless bird nests in colonies up to 10,000 individuals. The king penguins range includes Antarctica, the Falkland Islands, Tierra del Fuego, and many other islands thro..
Spheniscus magellanicus., also known as Magellan's penguin, is native to Chile, Argentina and the Falkland Islands. Like all penguins, the Magellanic penguin is flightless. With modified flipper-like wings and short hair-like feathers, penguins are very suited to their semi-aquatic lifestyle.