Great auk (Pen Gwyn in Welsh), or, because the great auk had such large white circles on its head. When European explorers discovered what today are known as penguins in the Southern Hemisphere, they noticed their similar appearance to the great auk and named them after this bird, although biologically, they are not closely related. Whalers also lumped the northern and southern birds together under the common name "woggins". Standing about tall and weighing approximately as adult birds, the flightless great auk was the second-largest member of both its family and the order Charadriiformes, surpassed only by the mancalline "Miomancalla". The great
Southern Hemisphere "Periplus of the Erythraean Sea", mentioned the island of "Menuthias" (Ancient Greek: Μενουθιάς) as a trading port on the east African coast, which is probably the small island of Unguja on which Zanzibar is located. The oldest proven archaeological site in the Southern Hemisphere is Sechin Bajo, located on the coast of northern Peru, and dates back to 3600 BCE. Sechin Bajo may also be the oldest site for monumental architecture in the Americas. Southern Hemisphere The Southern Hemisphere is the half of Earth that is south of the Equator. It contains all or parts of five continents (Antarctica, Australia,