By Carie P. Close Super cute baby bear learns to climb at Chester Zoo The skull of an juvenile Tyrannosaurus rex is part of an exhibit, featuring three specimens of T-Rex in varying ages, at the Natural History Museum of Los Angeles County are seen on February 1, 2011 in Los Angeles, California. Advertisement © 2017 HNGN, All rights reserved. Do not reproduce without permission. Advertisement 0 COMMENTS CLOSE COMMENT Get HNGN's Top Stories Newsletter Everyweek You have already subscribed. Thank you.