Juergen Freund / Saltwater crocodile (Crocodylus porosus) jumping out of water to catch dangling bait in Hartley's Creek crocodile farm, Queensland, Australia

Shane Gross / Cuban crocodiles (Crocodylus rhombifer) photographed on a crocodile farm started by Fidel Castro in the 1960's in Cienaga de Zapata National Park to help save the species. Cuba. Critically endange...

Shane Gross / Cuban crocodiles (Crocodylus rhombifer) photographed on a crocodile farm started by Fidel Castro in the 1960's in Cienaga de Zapata National Park to help save the species. Cuba. Critically endange...

Ashley Cooper / Tourists watching Saltwater crocodile (Crocodylus porosus), at Hartleys Crocodile Farm north of Cairns in Queensland, Australia. The animals are raised mainly for their skins, with meat being a by pro...

Cyril Ruoso / Saltwater Crocodile (Crocodylus porosus) farm, Darwin, Northern Territory, Australia

Ernie Janes / Saltwater crocodiles (Crocodylus porosus) at feeding time at Crocodile Farm, captive, Thailand

Ernie Janes / Saltwater crocodiles (Crocodylus porosus) at feeding time at Crocodile Farm, captive, Thailand

Pete Oxford / Cuban Crocodile (Crocodylus rhombifer) group in farm near Zapata Swamp National Park, Cuba

Chien Lee / False Gharial (Tomistoma schlegelii), Jong's Crocodile Farm, Kuching, Borneo, Malaysia

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) juvenile for release into the wild, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) male used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Will Watson / Crocodile Farm at Senga Bay, Malawi. March 2009

Steven David Miller / Saltwater crocodile (Crocodylus porosus) at surface in water, Edward River Croc farm, Cairns, Queensland, Australia

Vincent Grafhorst / Ploughshare Tortoise (Geochelone yniphora) male, Antananarivo Crocodile Farm, Antananarivo, Madagascar

Vincent Grafhorst / Ploughshare Tortoise (Geochelone yniphora) male, Antananarivo Crocodile Farm, Antananarivo, Madagascar

Vincent Grafhorst / Nile Crocodile (Crocodylus niloticus) half submerged, Antananarivo Crocodile Farm, Antananarivo, Madagascar

Vincent Grafhorst / Nile Crocodile (Crocodylus niloticus) sunbathing on top of others, Antananarivo Crocodile Farm, Antananarivo, Madagascar

Vincent Grafhorst / Cuvier's Madagascar Swift (Oplurus cuvieri) lizard on top of another, Antananarivo Crocodile Farm, Antananarivo, Madagascar

Vincent Grafhorst / Panther Chameleon (Chamaeleo pardalis) male, Antananarivo Crocodile Farm, Antananarivo, Madagascar

Juergen Freund / Stuffed crocodile with boxing gloves at crocodile farm, Sabah, Borneo, Malaysia

Juergen Freund / Guide showing tourists a baby Saltwater crocodile (Crocodylus porosus) in Hartley's Creek crocodile farm, Queensland, Australia

Juergen Freund / Saltwater crocodiles (Crocodylus porosus) in Hartley's Creek crocodile farm, Queensland, Australia

Juergen Freund / Saltwater crocodiles (Crocodylus porosus) in Hartley's Creek crocodile farm, Queensland, Australia

Juergen Freund / Saltwater crocodiles (Crocodylus porosus) in Hartley's Creek crocodile farm, Queensland, Australia

Juergen Freund / Saltwater crocodile (Crocodylus porosus) being fed in Hartley's Creek crocodile farm, Queensland, Australia

Juergen Freund / Saltwater crocodile (Crocodylus porosus) jumping out of water to catch dangling bait in Hartley's Creek crocodile farm, seen from adventure boat. Queensland, Australia

Juergen Freund / Guide showing tourists a baby Saltwater crocodile (Crocodylus porosus) in Hartley's Creek crocodile farm, Queensland, Australia

Juergen Freund / Saltwater crocodiles (Crocodylus porosus) in Hartley's Creek crocodile farm, Queensland, Australia

Steven David Miller / Estuarine / Saltwater crocodile {Crocodylus porosus} head profile, crocodile farm, Darwin, Northern Territory, Australia

Steven David Miller / Estuarine / Saltwater crocodile {Crocodylus porosus} head profile, crocodile farm, Darwin, Northern Territory, Australia

Pete Oxford / Nile crocodile farm {Crocodylus niloticus} Lake Kariba, Zimbabwe

Mike Wilkes / American crocodiles at Crocodile Farm {Crocodylus acutus}, St Augustine, Florida, USA

Tony Phelps / Nile crocodile farm {Crocodylus niloticus} Oudtshoorn, Little Karoo, South Africa

Pete Oxford / Stuffed Nile crocodiles for sale (Crocodylus niloticus) Zimbabwe

Mike Parry / Saltwater Crocodile (Crocodylus porosus), Cites approved, farm, abattoir processing meat and skins, Papua New Guinea

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Pete Oxford / Orinoco Crocodile (Crocodylus intermedius) female used for captive breeding program, Hato Masaguaral working farm and biological station, Venezuela

Vincent Grafhorst / Cuvier's Madagascar Swift (Oplurus cuvieri) lizard pair on a tree trunk, Antananarivo Crocodile Farm, Antananarivo, Madagascar

Doug Wechsler / Cuban crocodile on farm {Crocodylus rhombifer} Zapata swamp Cuba

Juergen Freund / Stuffed crocodile at crocodile farm. Sabah Malaysia.

Suzi Eszterhas / Side-striped jackal (Canis adustus) Sabi Sands, South Africa

Suzi Eszterhas / Side-striped Jackal (Canis adustus) and White-backed Vultures (Gyps africanus), Sabi Sands Private Game Reserve, South Africa

Hermann Brehm / Side-striped Jackal (Canis adustus) Little Kwara, Botswana June

Hermann Brehm / Side-striped Jackal (Canis adustus) Little Kwara, Botswana June

Eric Baccega / Side-striped jackal (Canis adustus) walking across savanna, Hwange National Park, Zimbabwe

Will Burrard-Lucas / Side-striped jackal (Canis adustus) in the beam of a light, taken with a remote camera. Kidepo Valley National Park, Uganda. November

Will Burrard-Lucas / Side striped jacakal (Canis adustus) resting, Busanga Plains, Kafue National Park, Zambia.

Wim van den Heever / Side striped jackal (Canis adustus), Okavango Delta, Botswana.

Wim van den Heever / Side striped jackal (Canis adustus), Okavango Delta, Botswana.

Christophe Courteau / Side-Striped Jackal (Canis adustus) at night, lit by a spotlight. Okavango Delta, Botswana

Suzi Eszterhas / Side-striped Jackal (Canis adustus) attacking White-backed Vultures (Gyps africanus) at kill, Okavango Delta, Botswana

Mary McDonald / Side-striped Jackal (Canis adustus) standing in grassland, Kopjes, Serengeti National Park, Tanzania