Decades after its release into the wild, a super-ageing, bone-crunching vulture called Balthazar reveals a major conservation success.
Freed from the threat of invasive predators, Galapagos birds are performing astonishing feats of return and innovation – 200 years after Charles Darwin visited the archipelago.
When hurricanes pass over the ocean they churn up creatures from the deep – a chance to feast for predators brave enough to weather the storm.
The extinct flightless pigeon has captured imaginations for over 400 years. Experts and artists are now revealing how much we have distorted what the dodo was really like.
Ecosystems which have never been seen before are being accidentally created by humans. They offer a stark look into the nature of tomorrow.
Major oil spills can be catastrophic for seabirds and marine life. Nearly 15 years on from the biggest marine spill in history, are we any better at cleaning up oil at sea?
For the first time in 100 years, California condors flying over Yurok land, thanks to an intensive reintroduction programme.
In the Highlands of Scotland, a series of last-ditch efforts are being used to try to save the critically endangered capercaillie. Will it be enough to save this magnificent bird?
Wind turbines can pose a deadly risk to migrating birds, but there are ways to dramatically reduce crashes.