Tiara is a friendly female talking sharptooth (sharptooth) and Chomper's love interest. Just like Chomper, she loves eating ground crawlers (bugs)
She was shown in the second Land Before Time All Grown Up movie who escaped from the rogue egg stealers and sees them going into the Great Valley to steal eggs and sees them getting caught in a rock slide and was caught in it too.
During at dawn, she was drowning in the water and was covered with waterplantsbut was saved by Chomper and Chomper notice that she's sharptooth like him but a female and she notice that he's not alone cause he's with Littlefoot and gang