A rescued chimpanzee, released back into the wild, spots his old caretaker across the clearing and comes barreling in for a full-body, two-armed, absolutely-not-letting-go hug. Try watching it once. You won't.
A zoo otter has discovered that a capybara's back is the perfect scratching post, and the capybara could not possibly care less. Pure, unbothered, interspecies harmony.
Ruby Jane the bloodhound noticed a five-week-old kitten was terrified of its very first bath, so she leaned in and gently groomed him through the whole thing. Eight and a half million people have now watched a dog be a better big sibling than most siblings.
Cody the golden retriever gets introduced to his brand-new puppy sibling, and his reaction is roughly what you'd expect from a dog who just won the lottery. Over eight million views and counting.
An owner raised her golden retriever alongside cat brothers and only just realized the dog has started kneading the couch like a cat. He does not know he's a dog. Nobody has told him.