Arctic, Wide shot of a polar bear marches slowly towards the camera. Bear's white fur camouflages with a completely snow covered background.

Close up of a green reed-frog sitting camouflaged on a lily pad.

Medium close up of a camouflaged rattlesnake striking at unseen prey in Arizona.

Close up potrait of a camouflaged green reed-frog staring into the camera.

Close up of a reed-frog sitting partially submerged in water.

Arctic, Wide shot of a polar bear emerging from icy waters onto sheet ice and yawning tiredly.

Arctic, Medium shot of a polar bear lying down lethargically on all fours.

Arctic, Wide shot of a polar bear plodding slowly across deep white snow.

Alligator eating on water's surface, it lifts its head up from water to chew food and swims away. Water is covered in green moss.

Close up of a green reed-frog cradled in green aquatic vegetation.

Medium shot of a polar bear walking and foraging through white arctic snow.

An alligator descends into water covered in green moss and swims away. A head of another alligator is atop water in the foreground.

Close up of a striped green frog peering attentively past the camera.

Close up profile shot a striped green frog sitting on a large green leaf, it suddenly jumps along the leaf.

Medium close up of an alligator head on top of water with green moss gathered on its snout. It lies completely still in water and stares straight into the camera.

Close up of a tiny green frog sitting on a large green leaf. Eventually leaps out of the shot.

Aerial slow motion tracking shot of a polar bear running across snow covered pack ice.

Medium shot of a polar bear trudging over white snowfields. Rocks and sea in background.

Medium shot of a male polar bear walking between snow covered boulders.

Mass of thousands of squid egg cases in clusters attached to the sea bed. The eggs look like long white capsules. We then see one small squid hidden amongst all the eggs and it squirts out some black ink into the water.

Close up-profile shot of a green reed-frog peering past the camera.

Medium shot of a polar bear sluggishly trudging through white snow.

East Africa. A Graceful chameleon, coloured green to match its surroundings, creeps steadily up behind a winged termite and catches it with a flash of its tongue before chewing and eating it.

Medium close up of iguana lounging on a branch with head partly in shade.

Medium shot of a polar bear negotiating deep snow and contoured terrain.

Medium close up of a striped frog sitting on a green lily pad.

Arctic, Wide shot of a polar bear scratching its back by rolling playfully in snow.

Medium close up of a tiny green frog blending in with a similarily coloured green leaf.

A moss-covered alligator snuggles its head on another alligator's back as they float on water.

Close up of a tiny green frog sitting motionless on a large green leaf.

Close up of an alligator resting its head on another alligator's tail. It has dried green moss all over its head.

Medium shot of a polar bear crossing snow in front of the camera.