Africa's biggest beasts are so fragile in the face of poachers, human encroachment and trophy hunters

2013: Elephant skulls from poaching and drought deaths in Tsavo East National Park, Kenya.

2011: Elephant with leg in snare at Sheldrick centre in Tsavo East National Park, Kenya

2011: Buffalo die due to failed rains at Mikumi National Park in Tanzania.

2014: Child's hand on orphan elephant at Sheldrick elephant orphanage in Nairobi, Kenya.

2013: Fire set by poachers to drive game into traps at Serengeti National Park, Tanzania.

2011: Vulture eyes Buffalo Carcass at Mikumi National Park in Tanzania.