Rattlesnake flicks out forked tongue, USA

Last male Pinta Island Tortoise 'Lonesome George' at Charles Darwin Research Station

Crocodile opens and closes its emerald green eye, fly crawls over

Track right as frilled lizard runs on hind legs in Australian desert.

Tilt up as frilled dragon threatens camera with raised frill

Baby green turtle swims in exotic coral sea

Sidewinder rattlesnake hunts and pursues lizard in arid desert

Marsh frog leaps and strikes damselfly on twig

Red-eye tree frog tadpoles darting around in eggs attached to leaf in Costa Rica

Puff adder strikes out towards camera, Africa

Collared lizard runs past in desert, Arizona

Collared lizard runs away over red sand, Arizona

Hawksbill turtle feeds on sponge amongst corals, Sipadan

Saltwater crocodile takes animal carcass lying on river bank and swims away, Australia

A red-eyed tree frog sits very still on a leaf.

An alligator with only its eyes showing, breeches the surface of the water and swims out of sight.

WWWA: BENEATH SOUTHERN WATERS: UNDERWATER: LA MS Eel grass waving in clear water, Alligator Snapping Turtle coming through grass, stepping onto sandy river bottom, CU Alligator Snapping Turtle face, then moving forward, CU shell, back & legs throwing sand.

WWWA: NOSY ONE: COATIMUNDI: LA CU Toad sitting on brown soil. LA MS Coati walking, smelling toad, walking off.

A toad breathes and rotates.

A green Chameleon perches on a tree branch and leans its head back to swallow.

A saltwater crocodile holds his head out of the river while it eats a bird.

A gray and brown tree frog sits on a branch.

A brown snake with white stripes slithers onto jungle plants.

A crocodile slowly opens its mouth very wide.

An adult mugger crocodile nudges an egg lying in the sand.