A group of kittens is called a "kindle".
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
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Dolphins have names for one another.
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In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
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The elephant brain weighs about 6,000g.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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