Brown and tan
Come along children. It's not safe to play with Sharpteeth.
— Spikethumb Mother - "The Lonely Journey"
The Spikethumb mother is briefly seen eating tree-stars alongside Ducky, Spike, and her two babies. When she notices that Chomper has joined them and that her babies are playing with him, she quickly moves them away and warns them that it's not safe to play with Sharpteeth.