Christophe Courteau / Male BurchellÕs zebra (Equus quagga burchellii) pulling the head of a dead pregnant female that died due to complications whilst giving birth, trying to wake her up, Etosha National Park, Namibia. Par...

Charlie Summers / African elephant (Loxodonta africana) mother standing grieving over stillborn baby. Tarangire National Park, Tanzania.

Anup Shah / African elephant (Loxodonta africana) watching over the body of a dead elephant. Maasai Mara National Reserve, Kenya.

Anup Shah / African elephant (Loxodonta africana) herd watching over the body of a dead elephant. Maasai Mara National Reserve, Kenya.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' carrying her stillborn infant on her back, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 20...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' tending to her stillborn infant, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 2011.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' carrying her stillborn infant on her back, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 20...

Fiona Rogers / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' carrying her stillborn infant in her arms, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 20...

Tony Heald / African bull elephant guarding body of dead elephant {Loxodonta africana} Kaokoland, Namibia

Tony Heald / African elephant bull touching dead elephant with trunk {Loxodonta africana} Koakoland, Namibia

Tony Heald / African elephant bull touching dead elephant with trunk {Loxodonta africana} Koakoland, Namibia

Sergio Hanquet / Short-finned pilot whale (Globicephala macrorhynchus) female carrying dead calf below water surface. Tenerife, Canary Islands.