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
Cape Byron Marine Park (EAC), which transports warm water currents into temperate zones. The presence of the EAC plays an important role in transporting tropical flora and fauna into southern hemisphere temperate zones. The Cape Byron Marine Park is located on the Eastern Overlap Zone where warm waters form the north converge with cooler waters from the south. The local marine habitats include exposed and sheltered sandy beaches, rocky shores, rocky reefs, submerged pinnacles, small rocky islands, coral communities, riverine estuaries, coastal creeks and lakes, and sandy seabed habitats. The Major ecosystems in the Cape Byron Marine Park are Estuaries, Rocky Shores and Platforms,