Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Besides being dark and mysterious, crows are extremely intelligent birds. So smart, in fact, that it might be a little bit scary. Even though their brains are the size of a human thumb, their ...

An international team of scientists has discovered that the critically endangered Hawaiian crow, also called 'Alalā, is a highly proficient tool user. WSJ's Monika Auger reports. Photo: Lisa Bissi ...

the crows demonstrate a tool-making, and tool using, capability comparable to Palaeolithic man’s. Dr Gavin Hunt, a New Zealand biologist, spent three years observing the birds. He found that ...

Did you know that some animals are clever enough to use tools to solve problems? From crows cracking nuts to otters using rocks, these top 7 animals showcase incredible intelligence and creativity.

Crows from an island in the South Pacific are better than other avian species when it comes to crafting tools. Now, researchers propose that, unlike humans, New Caledonian crows don’t copy older ...

I’m continuing my look at some of the more common critters that we see every day, but rarely give a second thought. I am often asked “What is my favorite bird?” This is like being asked ...

Crows can recognize faces, make their own tools, and understand complex subjects — and we're only beginning to understand everything that they can do. Follow BI Video: On Twitter More from ...

Do dolphins solve problems of great complexity? Do crows use tools? There is no end to the amazement we find in the animal kingdom: from dolphins solving complex problems to crows using tools ...