There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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One litter of kittens can be produced by more than one father.
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A new born kangaroo is small enough to fit in a spoon!
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