The elephant brain weighs about 6,000g.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Sharks, like other fish, have their reproductive organs in their chests.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
A giraffe's kick is so powerful that it can decapitate a lion.
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