Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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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.
6
Female kangaroos have three vaginas.
2
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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