And the world's best zoo is ...

By Chuck Thompson, CNNUpdated 13th August 2014
A visitor at the Budapest Zoo records a gentle bear rescuing a crow from drowning.
This rare sheep-goat hybrid is known as a "geep." The newborn is named Butterfly and was born at an Arizona petting zoo.
An abandoned baby cheetah and a puppy are now roommates for life at the San Diego Zoo.
Prince George visits Sydney's Zoo with his parents. He was captivated by the animals and attempted to grab what he could.