U.S. Navy-trained dolphins and their handlers will participate in a last-ditch effort to catch, enclose and protect the last few dozen of Mexico's critically endangered vaquita porpoises to save them from extinction.
It was one of the most momentous events in the battle against poaching: 11 giant pyres of elephant tusks going up in flames in Kenya as the world looked on.
To what extent are the world's rivers protected?
Quokkas are popular 'selfie' photograph subjects for visitors to Rottnest Island, but the 'happiest animal on earth' has less to smile about in the South West, a year after a devastating bushfire.
The world's oldest ever giant panda in captivity died on Sunday aged 38 at a Hong Kong theme park, officials said.
Spanish police were on Tuesday investigating the decapitation of a European bison and the disappearance of three others from a nature reserve which was set to start a breeding programme for the species.
In a picturesque corner of Afghanistan, a unique conservation effort has helped bring the elusive snow leopard back from the brink and given hope to one of the poorest and most isolated communities on earth.
Tigers use a grunt-like snort called chuffing as a greeting, short roars for intimidation and long roars to find mates.
It is a voyage explorers only dreamed of not so long ago.
Nestled in a deep pocket of forest that lies off Thailand's electrical grid, villagers in Pa Deng have become early adopters and evangelists for an unusual alternative energy source: poop.