Islands: Nature's Wild Laboratories

Touch down on the largest sand island in the world, as stingrays hunt soldier crabs in the tidal shallows, acid frogs evade vicious predators and more.

Journey to the largest island in the Canadian Arctic and encounter arctic foxes, white beluga whales, a never-before-filmed two-tusked narwhal and more.

Here, evolution is in overdrive, resulting in an explosion of life. An unnamed species of spider is filmed for the first time, hunting other spiders.

Hyenas claim the largest island in the delta, but must defend it. Elephants and hippos sculpt the waterways and make new homes for smaller creatures.

Never-before-filmed highland leopards stalk Sambar deer, while territorial mudskippers and fiddler crabs compete for homes and mates.