Endangered species

Curlews 'thriving' in parts of Northern Ireland

Snails bred in Edinburgh Zoo sent to re-populate species in French Polynesia

Chick of 'world's most dangerous bird' hatches in Cotswolds

Five seabirds added to UK red list of most concern

Zoo celebrates 'miracle' baby giraffe birth

Should animals be kept in zoos? Video, 00:06:19Should animals be kept in zoos?

Endangered leopard frogs released into the wild. Video, 00:00:30Endangered leopard frogs released into the wild

Fresh hope for bird with bizarre 'crex crex' call

Scientists analyse sound to help endangered animals

Scientists want to send endangered animals to the Moon... sort of!

How decline of Indian vultures led to 500,000 human deaths

Endangered cheetah cubs take first steps outdoors

Aquarium challenges negative perceptions of sharks

Thousands of rare bird eggs seized in Australia

Sloth named Jude in call for Bellingham glory

Rare stripey piglets born in breeding programme

Wildlife smugglers 'freer to offend' after police cuts

Zoo breaks ground on endangered species habitat

2012: When Sir David Attenborough met Lonesome George. Video, 00:01:522012: When Sir David Attenborough met Lonesome George

Drones reveal Antarctic whale 'acrobatics'

New bigger enclosure for zoo's four lynx brothers

Dormice release to bolster 'species on the brink'