Ruby Reynolds and her father were on the beach when they discovered Ichthyotitan severnensis - the largest-ever marine reptile.

Invasive northern snakeheads can “walk” on land, breathe air and survive out of water for several days, and they also compete with native species in waterways ...

The Burmese python is probably the largest snake you'll find in the U.S., but the South American anaconda leaves no doubt ...

Also called the "Satanic Leaf-tailed Gecko" ...