Friends and enemies in the animal world tend to be pretty clear-cut -- there are some species that just weren't born to get along. But as these unlikely pairs show, even Mother Nature doesn't set things in stone: Who says that orangutans and tigers, dogs and deer, cats and birds can't all be friends somehow?
From a sheep that brought a baby elephant out of a deep depression to natural enemies that snuggle down together for every nap, these 10 heart-wrenching relationships are incredible and unforgettable.
The Pigeon and the Macaque
Take this macaque
, for example, who, according to The Daily News
, was rescued from Neilingding Island in China after his mother abandoned him and left him for dead: His recovery was dragging until he made friends with this pigeon, and now the two are rarely apart.
Photo via The Daily Mail