live fossils

Although nearly every animal evolved to adapt to a new environment, some animals remained virtually unchanged from the infancy of evolutionary history.

Some animals appeared on Earth hundreds of millions of years ago, overcoming extinction events to survive today.

While most genera, the branch of the zoo are trying to evolve to adapt and develop, a small part.

Fish finfish, fish species are like

A rare frog thought to be extinct was found in northern Israel. It was the same Hula paint frog from 1955, and when scientists thought they were extinct, no one objected.

A rare species of shrimp is believed to be the world's oldest animal discovered by scientists scouring at Scotland's Caerlaverock Nature Reserve.