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Koko the famously social gorilla dies

Dormice move into new wonderland. Video, 00:00:32Dormice move into new wonderland

Saving an Ice Age survivor. Video, 00:04:35Saving an Ice Age survivor

Rush to save bird with beak shut by plastic

'Living fossil' heading for extinction

'Shocking' impact on protected areas

Nature reserves 'not being protected from humans' Science In Action. Audio, 00:02:11Nature reserves 'not being protected from humans'

Madagascar emerges as whale shark hotspot

'Shocking decline' in curlew numbers

Koalas clinging on for survival. Newshour. Audio, 00:03:56Koalas clinging on for survival

Last of the wild asses back from the brink

Animals' popularity 'a disadvantage'

'Punk turtle' put on endangered list. Video, 00:01:38'Punk turtle' put on endangered list

Science In Action. New Planet Hunting Mission. Audio, 27 minutesScience In Action

Using astronomy to save a species. Video, 00:01:26Using astronomy to save a species

Half of African species 'face extinction'

Reality Check: Will this be the next extinct creature?

Last male northern white rhino dies

The last male northern white rhino has died. Newsday. Video, 00:01:44The last male northern white rhino has died

On a mission to save whale sharks. Video, 00:02:18On a mission to save whale sharks

Newborn hope for endangered Congo gorillas. Video, 00:00:46Newborn hope for endangered Congo gorillas

Why vultures are avoiding Portugal

Caught on camera. Video, 00:00:14Caught on camera