WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.

And since these animals are endangered, finding them even while out on the water ... After the Pleistocene ended they died off in North America, and they can only be found in a few scattered pockets ...

Among extant genes known to have originated among Denisovans are sequences common in Tibetan populations that help the body ...