Add Yahoo as a preferred source to see more of our stories on Google. The battle for power in the animal world isn't always about brute force. photofellow/iStock via Getty Images Plus Scientists used ...

It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males and females can be so striking. But the more scientists learn about ...

Power in nonhuman animals used to play out in such a tidy and simple way. Bigger, stronger animals beat up smaller, weaker ones. The vanquished slunk away, and the victor claimed the prize. Or so we ...

The need for communication, and the need for companionship, is as deeply engrained in parrots as it is in humans. (Lorin Lindner, Birds of a Feather, page 38) Reading books and asking dozens of ...

I've long been interested in the concept of power among nonhuman animals (animals). All too often, when humans act violently, they're written off as "behaving like animals," but from my own and others ...

Scientists used to think power in animals played out in a tidy and simple way. Nature is a dog-eat-dog place. Rams butt heads in a thunderous spectacle, and the winning male gets to mate with a female ...

Scientists used to think power in animals played out in a tidy and simple way. Nature is a dog-eat-dog place. Rams butt heads in a thunderous spectacle, and the winning male gets to mate with a female ...