Paul Souders/ Worldfoto / African Elephant (Loxodonta africana) calf feeding, Ngorongoro Conservation Area, Tanzania

Paul Souders/ Worldfoto / Grey Crowned Crane (Balearica regulorum) flying, Ngorongoro Conservation Area, Tanzania

Juan Carlos Munoz / Herd of Impala (Aepyceros melampus) silhouetted at sunset, Ngorongoro Conservation Area, Tanzania.

Nick Garbutt / Herd of White-bearded Wildebeest (Connochaetes taurinus albojubatus) with calves in Long Gully near Ndutu on their annual migration. Ngorongoro Conservation Area, Serengeti Ecosystem, Tanzania. (Digit...

Nick Garbutt / African Lion (Panthera leo) male in Ngorongoro Crater. Ngorongoro Conservation Area, Tanzania. March 2010. (digitally stitched image)

Mitsuaki Iwago / African Elephant (Loxodonta africana) male feeding, Ngorongoro Crater, Tanzania

Anup Shah / Thomson's gazelle {Gazella thomsonii} chasing off a marauding Golden jackal {Canis aureus} Ngorongoro conservation area, Tanzania

Anup Shah / Golden jackals {Canis aureus} killing young Gazelle, Ngorongoro conservation area, Tanzania

Suzi Eszterhas / African Lion (Panthera leo) mother and young cubs, Ngorongoro Conservation Area, Tanzania

Suzi Eszterhas / African Lion (Panthera leo) female attacking Cape Buffalo (Syncerus caffer), Ngorongoro Conservation Area, Tanzania

Anup Shah / Aerial view of village huts in Crater Highlands, Ngorongoro conservation area, Tanzania.

Anup Shah / Aerial view of village huts and livestock enclosures, in Crater Highlands, Ngorongoro conservation area, Tanzania.