Among the rarest and least studied animals on Earth, the wild camels are the world's only mammals capable of surviving on salt water, which bubbles up through the desert sand.
(the wild camels; are; the world's only mammals capable of surviving on salt water; L:Among the rarest and least studied animals on Earth) (salt water; bubbles up; )
the wild camels salt water
are bubbles up
the world's only mammals capable of surviving on salt water L:Among the rarest and least studied animals on Earth