Two dogs were among the Titanic survivors.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Parrot parents "name" their children with a signature call.
112
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23