Yukihiro Fukuda / Japanese macaque (Macaca fuscata fuscata) mother with rare white furred baby, Jigokudani Valley, Nagano Prefecture, Japan. June.

Yukihiro Fukuda / Japanese macaque (Macaca fuscata fuscata) mother with rare white furred baby, Jigokudani Valley, Nagano Prefecture, Japan. June.

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) 40 day old cub held by research assistant, Wolong Nature Reserve, endangered, China

Flip de Nooyer / Gentoo Penguin (Pygoscelis papua) parent feeding chick regurgitated food, Antarctica

Duncan Usher / Marsh Warbler (Acrocephalus palustris) pair at nest feeding young, Europe

Duncan Usher / Marsh Warbler (Acrocephalus palustris) adult at nest with chicks begging for food, Europe

Duncan Usher / Tree Sparrow (Passer montanus) adult feeding young, Europe

Duncan Usher / Tree Sparrow (Passer montanus) parent feeding young, Europe

Mark Moffett / Jumping Spider (Phyaces comosus) nurturing egg masses, Sri Lanka

Gerry Ellis / African Elephant (Loxodonta africana) keeper Mishak Nzimbi tending to baby orphans, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Gerry Ellis / African Elephant (Loxodonta africana) keeper watching new orphan baby Thoma recover from rescue, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Jabruson Motion / Eastern mountain gorilla (Gorilla beringei beringei) juvenile climbing down a vine and sitting on young male. Virunga National Park, Democratic Republic of Congo. 1996.