revived extinct animals

What are the common points of giant creatures like dinosaurs, mammoths, and dodo birds? They are extinct. But what about the world if one day these animals ... revive?

Modern scientists are seeking to

Perhaps we humans will be hard to survive if these prehistoric and thirsty giants revived.

Mammoths, Tasmanian tigers or frogs hatched with stomachs ... are animals that have a chance

The idea of ​​reviving extinct species is no longer fiction, when some scientists claim that a pigeon can be reborn in the next few years.