How strong is a giraffe's tongue?
25 September 2015 Last updated at 09:18 BST
Researchers at a zoo in Sydney, Australia, have been trying to find out how strong and long giraffes' tongues are.
They tried to work it out by hiding food in hard to reach places and seeing if their tongues could grab it.
After months of work they've decided giraffe tongues are super-strong.
Watch the clip to see the long giraffe tongues!