The world’s largest feral camel herd is posing a major threat to rare and endangered Australian wildlife.Destruction of desert waterholes and soaks by a feral camel population estimated at more than onemillion over an area of 3.3 million square kilometres is a real and present danger to unique Australianmarsupials, reptiles, birds and other native animals in desert areas, the Managing Director of the DesertKnowledge CRC, Jan Ferguson, said today.