Intelligent Dog Gathers Three Tennis Balls With Her Mouth at Once and Shows Off a Big Smile

A very talented Yellow Lab named Zoe gathers three tennis balls with her mouth at once and shows off what appears to be a very big smile. According to her human, Zoe is “very smart.”

In fact, Zoe likes to share her knowledge with her younger sibling, Marble.

via Nothing To Do With Arbroath