An elephant was drinking out of a pond one day, when he spotted a turtle asleep on a log. So, he strolled over and flicked it clear out of sight with his trunk.

"What did you do that for?" asked a passing aardvark.

"Because I recognized it... It's the same turtle that took a nip out of my trunk 53 years ago."

"Wow, what a memory!" exclaimed the aardvark.

"Yes," said the elephant, "I have turtle recall".