One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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A puppy is born blind, deaf, and toothless.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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When you shave a guinea pig it looks like a little hippo.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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There's a lizard known as the 'Jesus Lizard' that can run across water.
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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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