A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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A scorpion can hold its breath for up to 6 days.
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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When cats are happy, they may squeeze their eyes shut.
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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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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11