There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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A group of kittens is called a "kindle".
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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When cats are happy, they may squeeze their eyes shut.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
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