rocks.

Children can be so fickle when it comes to toys. But pets and animals are our bread and butter, so when it comes to pleasing a baby with a toy, we don't even know where to start. Show us an otter, on the other hand, and we'll show you a rock. A rock that can, indeed, keep an otter happy all day as he basks in the sun, juggling and grappling the thing like it's the best thing he's ever seen. The video, needless to say, is kind of the best thing we've ever seen. Or at the least the best otter video we've ever seen. Sound the cute alarm! Share ...

When it comes to chimp-human relations, 2009 isn't proving to be what you'd call a banner year.Just weeks after Travis the chimp attacked his owner's friend in Connecticut, there's another angry chimp on the news circuit. Santino, a chimpanzee residing at the Furuvik Zoo in Sweden, has taken to hurling rocks at visitors (good news tourists - he usually misses!). The clever alpha male spends his morning stockpiling the rocks by knocking bits off concrete from his enclosure. The behavior has scientists in a tizzy because the ability to plan has been hard to prove in animals until now.Interestingly enough, Santino never aims at his fellow chimps, he only goes after people. Fascinating stuff, ...