Elephant bird bird" egg after it was radiographed. It is widely believed that the extinction of "Aepyornis" was a result of human activity. The birds were initially widespread, occurring from the northern to the southern tip of Madagascar. One theory states that humans hunted the elephant birds to extinction in a very short time for such a large landmass (the Blitzkrieg hypothesis). There is indeed evidence that they were hunted and their preferred habitats destroyed. Eggs may have been particularly vulnerable. 19th-century travelers saw eggshells used as bowls, and a recent archaeological study found remains of eggshells among the remains of human
Rotamah Island Bird Observatory island to Ninety Mile Beach. These factors give visitors easy access to both freshwater and marine habitats. There is a small population of the introduced Hog Deer on the island. In 2001 negotiations between Birds Australia and Parks Victoria, on renewal of the lease to the observatory, broke down and Birds Australia's association with Rotamah Island ended. Rotamah Island Bird Observatory Rotamah Island Bird Observatory was established in 1979 on Rotamah Island in the Gippsland Lakes National Park in eastern Victoria, Australia, by Birds Australia as Australia's second bird observatory, in order to provide a base for the study and