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Have you ever wondered if crabs and lobsters felt pain or fear as they were being boiled alive before making it onto your dinner plate?

Discover how much the mighty sperm whale eats and how they work together to care for their young.

Alt: a 4gifs.com animated image of a sand striker worm waiting with head (and big jaws) out of its burrow until it pounces on an unsuspecting fish above and catches it in its large jaws.

There are around 400,000 grey seals worldwide, with about 120,000 living off the coast of Britain.