Hydrophiinae The Pacific Ocean’s sea snakes, also known as coral reef snakes, are long and colorful. They are one of the world’s most venomous snakes because their bites, though often painless, can be ...

Some of these animals have a Pacific Ocean counterpart or many other closely ... and they have been on the endangered species list since 1970. They were almost hunted to extinction in the 1800s.

The iguanas' 8,000-kilometer trip — one-fifth of the Earth’s circumference — is the longest made by a flightless land vertebrate.