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

Some sharks remain on the move for their entire lives. This forces water over their gills, delivering oxygen to the blood stream. If the shark stops moving then it will suffocate and die.

The longest kiss on record lasted 30 hours and 45 minutes. Dror Orpaz and Carmit Tsubara recorded it on April 5, 1999 at a kissing contest held in Tel Aviv, Israel.

AMAZING FACTS