These four silverback Gorilla's were shot dead illegally. There are only and estimated 700 wild Gorilla's left in the world.
Virunga National Park covers ground from the Virunga Mountains, to the Rwenzori Mountains, in the eastern Democratic Republic of Congo, and is a Unesco World Heritage Site. Many park wardens end up dead.
Corporate logging and agriculture have threatened habitat while the lucrative for locals bush meat trade is also a threat to Gorilla's and other wild life in the Virunga National Park.
It has to be said the situation in the DRC is tragic for all involved after years of civil war for the 67 million population.
Donations can be made to help prevent the slaughter of Gorillas to the International Gorilla Conservation Program .