Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) walking, Ecuador. (non-ex)

Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) turning around, Ecuador. (non-ex)

Tony Heald / Bengal tiger (Panthera tigris tigris) walking, Bandhavgarh National Park, India.

Cyril Ruoso / Tenrec (Echinops telfairi) walking across leaf litter, Berenty Reserve, Madagascar.

Cyril Ruoso / Close up of Sumatran rhinoceros (Dicerorhinus sumatrensis) female close up, part of a breeding program, Way Kambas National Park, Sumatra, Indonesia.

Theo Webb / Bonobo (Pan paniscus) baby, Max Planck research site LuiKotale in Salonga National Park, Democratic Republic of Congo.

Floris van Breugel / A view of Pony Tail falls with Devil's Club (Oplopanax horridus) leaves in the foreground in the Columbia River Gorge, Oregon, USA. July 2011.

Chris Mattison / Barred leaf frog (Phyllomedusa tomopterna) captive from South America.

Jabruson / Young Chimpanzee in fruiting fig tree (Pan troglodytes schweinfurthii) Tongo, Virunga National Park, Kivu, Democratic Republic of Congo

Bence Mate / Leaf cutter ants (Atta cephalotes) carrying sections of leaves, to be used for cultivating nutritious fungi, Santa Rita, Costa Rica

Bence Mate / Leaf cutter ants (Atta cephalotes) carrying sections of leaves, to be used for cultivating nutritious fungi, Santa Rita, Costa Rica

Axel Gomille / Tiger (Panthera tigris tigris) cub, Bandhavgarh National Park, India