Great Green Macaw: picky eaters and favourite trees

Found across Central and South America, the Great Green Macaw is the world’s second largest. Despite having a lush rainforest to choose from though, the macaw quite particular when it comes to food and nesting sites.

Nguru pygmy chameleon: forest floors and fast tongues

No bigger than a golf tee, the Nguru pygmy chameleon tends to hide among leaf litter on forest floors. But why are they important to local farmers?

Sea otters: favourite rocks and tummy tables

Diving to depths of around 20 metres, sea otters can access all kinds of food but they often need the help of their favourite rock to crack open their catch.

Darwin's frog: ‘pregnant’ males and a 7,000 mile journey

After a deadly fungus spread through the rainforests in southern Chile, conservationists embarked on a rescue mission to save Darwin's frog.

Long-Beaked Echidna: Attenborough’s elusive creature rediscovered

Sixty-two years after Attenborough's long-beaked echidna was last scientifically recorded, Expedition Cyclops went on a mission to find out whether the species still exists in the Cyclops Mountains.

Saiga Antelope: humungous noses and countless comebacks

Having roamed since the Ice Age, Saiga Antelope are no stranger to harsh conditions. But as mass mortality events leave their population extremely vulnerable, how have they managed to make countless comebacks?

Beavers: waffle tails and river lodges

After being extinct in England for centuries, beavers are making a comeback thanks to a new license permitting their wild release. How could their dam building prevent flooding and droughts?

Chinese Giant Salamander: the living fossils

As the world's largest surviving amphibian, Chinese giant salamanders haven't changed much in their 170 million years on earth. So what does life look like for these "living fossils"?

Stingless Bee: keeping the rainforest blooming

In the Amazon and tropical places around the world, armies of stingless bees spend their days collecting nectar from plants and flowers across the forest.