One of the most fitting in the category of deadliest animals. With its distinctive red hourglass marking, the North American ...

Graham Duggan Most archeologists agree that human beings reached North ... extinct animal it could have belonged to. Before becoming president, Thomas Jefferson was head of the American ...

The playful North American river otter is equally at home in the water and on land. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems.

Millions of years ago, the continents came into contact, permitting ancient mammals to cross the Isthmus of Panama. But this great migration was overwhelmingly one-sided: North American animals moved ...

The needles were likely used to create garments from the animals' furs to keep the early ... a review of comparable evidence from other North American Paleoindian sites, our results suggest ...