Tag Archives: dog eyes

Why Dogs Love Tennis Balls: The Science Behind Their Favorite Fetch Toy

A dog with a tennis ball
The US Open Tennis Tournament is in full swing at the Arthur Ashe Stadium in Flushing, Queens and, over the next two weeks, New York City will be all about tennis. For some dogs, every day is about tennis—tennis balls, more specifically. What is it about tennis balls that makes them so popular with dogs? Their yellow-green color might help answer that question.