Adult wolves have large feet. A fully grown wolf would have a paw print nearly 13 centimetres long and 10 centimetres wide.

Ellen Macarthur, yachtswoman, had a total of 891 naps in 94 days that were each 36 minutes long while on her Vendee Round the Globe yacht race.

The adult electric eel can produce a five hundred volt shock, which is enough to stun a horse.

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