NatGeo Wild

Two islands are the last strongholds for southeast Asia's rainforests, Borneo and Sumatra each harbour some of the most unique yet elusive species on Earth.

The Equator runs 2500 miles across the great continent of Africa - the species that live here are as varied as its landscapes.

Coral reefs of the Asia-Pacific region are the richest on planet Earth, for the weird and wonderful creatures of the oceans rainforests, interdependence is key to survival.

A young male hyena forms an unusual partnership with a female leopard.

Two islands are the last strongholds for southeast Asia's rainforests, Borneo and Sumatra each harbour some of the most unique yet elusive species on Earth.

The Equator runs 2500 miles across the great continent of Africa - the species that live here are as varied as its landscapes.

Owls can 'see' with their ears and may be able to hear if a mouse is pregnant, while the rhinoceros has skin that sweats blood.

Frogs may just be the key to human immortality, while the cat's purrs may help keep astronauts alive in space.

Poison is a terrifying weapon for attack or defence. The venom of ten lethal creatures is compared in a bid to find the deadliest.

Journey with lion cub Malika as she battles the life and death hardships of surviving South Africa's wilderness, including the loss of her siblings to a pack of hyenas.

Real rumbles in the jungle have no rules, no referee and no one's saved by the bell. We're going head-to-head with the ultimate top 10 warrior males in the natural world to discover whose fights last longest.

Poison is a terrifying weapon for attack or defence. The venom of ten lethal creatures is compared in a bid to find the deadliest.

Journey with lion cub Malika as she battles the life and death hardships of surviving South Africa's wilderness, including the loss of her siblings to a pack of hyenas.

Malika the lioness may become queen of her pride if she can survive the dangers of South Africa's wilderness, but first she must travel alone and prove her dominance.

In a battlefield ruled by tooth and claw, predators the Bengal tiger and the dhole, or Indian wild dog, compete for space, water and food.

A look at the top ten warrior males in the natural world discovering whose fights last longest as they battle for food, females, or territory.

Fearsome teeth and claws are standard issue for many animals, but a small band of elite warriors have upgraded their natural armaments.

Vile animal smells can be sprayed, vomited, dribbled or wiped. This show counts down ten of the worst.

Some animals find strength in numbers: swarms of hundreds, thousands, millions or more! Some convene for feeding, others for mating.

Poison is a terrifying weapon for attack or defence. The venom of ten lethal creatures is compared in a bid to find the deadliest.

It's a real dog and pony show at Pol Vet: whether it's puppies or ponies, Poms or pus, the docs mask up, glove up, and giddy up!

From the frozen barren land of the arctic, to the tropical waters of Indonesia, car-sized elephant seals lash out in the ultimate heavyweight fights, and Komodo dragons e.

Olimba the leopardess rules over an area along Zambia's Luangwa river.

There are nearly 40 different species of cats running around out there, but only four make it into the big cat club. The lion, tiger, leopard and jaguar. And they're arme.

Poison is a terrifying weapon for attack or defence. The venom of ten lethal creatures is compared in a bid to find the deadliest.

Snake City is hammered by summer storms as Simon and Siouxsie hunt for a black mamba in a pile of tiles by torchlight. When the skies clear, Sioux gets tangled up in a de.

A huge black mamba is trapped inside a dark, cramped roof and Simon has to poke his head into dark holes to find it - risking a bite to the head! Simon also must get over.

Dr Pol and his team are tackling a load of cases - from chihuahuas to chinchillas, the animals at PVS keep the vets on their toes from morning to night.

Fearsome teeth and claws are standard issue for many animals, but a small band of elite warriors have upgraded their natural armaments.

Olimba the leopardess rules over an area along Zambia's Luangwa river.