Do animals have emotions?

A nice article with some example of why some people believe that animals have emotions.

clipped from www.newscientist.com Do animals have emotions? Spite After a fight in which he trounced another young male, Reuben, the latter retreated with "his ass up in the air", a sign of submission. Instead of letting him be, Nick slashed Reuben's rump with his canines. "He harassed the females, swatted at kids and bullied ancient Gums and Limp," writes Sapolsky. One day, Nick took exception to a female baboon, Ruth. When threatened by a male, a female usually runs up a tree and to the end of a flimsy branch, where the heavier male cannot follow her. "So Ruth gallops up the tree, Nick after her, and Ruth leaps out to a safe edge," Sapolsky recounts. "Nick promptly climbs onto a stronger, thicker branch directly above her. And then urinates on her head."