Juan Manuel Borrero / Oscar (Astronotus ocellatus) captive, occurs in South America.

Cyril Ruoso / Asiatic black bear (Ursus thibetanus) resting, captive at Singapore Zoo. Non-ex

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

Mark Raycroft / English Bulldog (Canis familiaris)

Mark Raycroft / English Bulldog (Canis familiaris) lying in leaves

Jabruson / Eastern gorilla (Gorilla beringei beringei) confiscated juvenile recovered by National Park authorities from poachers, awaiting release to the wild in wooden crate, with hand reaching out, Djomba, Vir...

Jabruson / Eastern gorilla (Gorilla beringei beringei) juvenile confiscated from poachers by national park authorities from poachers, awaiting release to the wild in wooden crate, Djomba, Virunga National Park,...

Jabruson / 'Kith' / 'Kin' Sumatran orangutan (Pongo abelii) captive animal in walled enclosure, Perth Zoo, Western Australia, August 2001.

Jussi Murtosaari / Peregrine Falcon (Falco peregrinus) juvenile at sunset, Kemijarvi, Finland, July.

Jabruson / Chimpanzee (Pan troglodytes schweinfurthii) in cage, confiscated from poachers, housed in Epulu, Okapi Wildlife Reserve, Orientale Province, North-East, Democratic Republic of Congo

Diane McAllister / Japanese Macaque (Macaca fuscata) adult with wet snowy head in the hot springs of Jigokudani, Japan.

Thomas Marent / Giant Panda (Ailuropoda melanoleuca), Qinling Mountains, Shaanxi, China