Elephant bird "A. maximus" and "D. stirtoni" were revised to 540 and 730 kg, respectively. Four species are usually accepted in the genus "Aepyornis" today, but the validity of some is disputed, with numerous authors treating them all in just one species, "A. maximus". Up to three species are generally included in "Mullerornis". Several ratites outside of Madagascar have been posited as "aepyornithid"-like and could potentially make this clade considerably more speciose. These include "Eremopezus" from the Eocene of North Africa, unnamed Canary Island remains and several Neogene taxa in Eurasia. "Aepyornis maximus" is commonly known as the 'elephant bird', a term
Bird Island, South Georgia wandering albatross were ringed, which gave startling data about their range - one bird was found in Australia . The island is currently a Site of Special Scientific Interest, and so there are no landings allowed without permission. The summit of the island, Roché Peak is named after the Englishman Anthony de la Roché who discovered South Georgia in 1675. 2008 marked the 50th anniversary of biological research on Bird Island. The island has been a station for Antarctic research since 1963, and is currently a biological research station of the British Antarctic Survey (BAS) at Jordan Cove, with three