From ancient tortoises mothering orphaned hippos to cats becoming guide animals for blind dogs, these real-life animal odd couples form bonds so powerful they're rewriting what scientists thought they ...

Fiona and the rest of the hippo bloat have made their pick for this year's Super Bowl.

The joey was the size of a jellybean when born but has since grown bigger and stronger and is now poking his little head out of his mom’s pouch, the zoo said.