Antarctica - the coldest, windiest, most hostile continent. Only the toughest can survive here. But the ocean here is warming and with that comes an uncertain future.

Asia - where rarely seen animals roam the hottest deserts, tallest jungles and highest mountains on Earth.

South America - the most species-rich continent on earth. From the volcanoes of the Andes to the world’s largest rainforest, animals here must specialise to carve out a niche.

Australia, a land cast adrift at the time of the dinosaurs. Isolated for millions of years, the weird and wonderful animals marooned here are like nowhere else on Earth.

Europe - a continent transformed by mankind, where extraordinary animals are found in surprising places.

North America - a land of change where pioneering animals make the most of surprising opportunities.

Africa - home to the greatest wildlife gatherings on earth. But even in this land of plenty, wildlife faces huge challenges.