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 ...

Memory is a marker of intelligence. Of all animals, humans possess the most accurate and sophisticated memory. But elephants can recognize as many as 30 traveling companions at a time. They also learn ...

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 ...

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’s 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 ...

“The average person will not be able to tell the two apart by sight, but they rarely mix as the two species do not like each other, and have no problem telling each other apart (crows are smart).” ...