"My friend has a cat named Denise from HR." ...

A woman's casual wave across the street can feel like nothing, just a reflex on the way to the car or the mailbox. Yet again ...

Hey there, pet lovers! The age-old debate of cats vs. dogs rages on, but let's shake things up a bit. Even die-hard dog fans ...

"Annoyance in dogs can look like lip licking, yawning, turning away, freezing or just general avoidance," Carpenter says.

Prairie dog barks, jumps, and yips in a lively compilation.