Houston Zoo puts pregnant elephant on diet before she gives birth
A female elephant at the Houston Zoo is pregnant and apparently has too much junk in her trunk.
Tess is six percent overweight. She is now on a walking program to help her lose weight.
Zookeepers want to make sure she's healthy before she delivers.
Six percent equates to 500 lbs. That's like a man who weighs 200 lbs. losing 12 lbs.