As previously documented, plenty of animals have formed unexpected friendships over the years.
Who would have guessed that a lion, a tiger and a bear could avoid killing each other, let alone become totally close pals?
But it's clear that dogs are the animal most open to bonding with other creatures, as evidenced by the following photo gallery.
It features canines and raccoons... canines and pigs... canines and, yes, sheep.
Click through now and you'll quickly realize that, with apologies to Man, dogs are very happy to be just about anyone's Best Friend. It's in their loving, adorable nature.