Chattering squirrels, charming coypus, and tail-slapping beavers — along with some other rodents — have orange-brown front teeth. Researchers have published high-resolution images of rodent incisors ...

Rats and other rodents have front teeth that grow continuously, so they gnaw to keep them healthy and in shape. Himanshu Sharma / Anadolu via Getty Images Beavers are famous for nibbling away at trees ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...