Intelligence isn't unique to humans — as the 15 amazing videos of animals solving problems in this article are about to show ...

The wolf seemed to know exactly what she was doing. She dove into the water, fetched a fishing float and brought it to shore. She then waded back in and tugged on a rope connected to the float. She ...

In the early 20th century, scientists maintained that one of the fundamental differences between animals and humans is that ...

Birds and wasps do it. So do octopuses, otters, polar bears and dolphins. A surprising number of animals use tools, and scientists say there are... Myth Busting: The Truth About Animals And Tools A ...

A wolf was filmed pulling bait out of a submerged crab trap — with some experts howling with glee that it could be the first documented evidence of the beasts using tools. The female wolf was recently ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

It's well known that chimpanzees, birds, and many other "smart" animals make and use tools. What we currently know about animal tool behavior has recently been reviewed in a wonderful book by Robert ...

We now know that a wide variety of animals use tools, and some surprises are among them. 1 Examples involving invertebrates, reptiles, fish, birds, and mammals show different levels of sophistication ...

Leticia Fanucchi does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...