Over 100 Rangers have been killed in their efforts to protect the Gorrillas of Virunga, one of the world's most endangered species. The Rangers receive a salary based on donations to Wildlife Direct and perform one of the most dangerous jobs in the world of wildlife conservation. Here Rangers from an Anti-Poaching unit work with locals to evacuate the bodies of four Mountain Gorrillas killed in mysterious circumstances in Virunga National Park  July 24, 2007.