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 ...

A dog that bares its teeth does not necessarily mean that the dog is about to bite. In some cases it is a caution, and in others it may even be a game or conciliation. The real message is uncovered by ...