Just like us humans are fascinated by the behavior of animals, and enjoy interacting with our furry friends when we have the opportunity, some animals display similar curiosities toward other species in the animal kingdom.

Our nine favorite inter-species animal videos of 2011 are below.

Parrot And Dog Reenact Spaghetti Scene From ‘Lady and the Tramp’

Horse And Dog Play Together Like Old Friends

Chimp Bottle-Feeds Milk to Baby Tiger

Fox And Hound Play

Kitty Messages Dog

Monkey Hangs Out With Puppies

Bulldog And Horse Hang Out At Occupy Wall Street

Cat And Dog Have Epic Stare-down

Great Dane And Deer Are Best Friends