There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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The Basenji dog is the only dog that is not able to bark.
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The elephant brain weighs about 6,000g.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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