The hippopotamus is one of the most recognizable animals on the planet. With their tiny ears, enormous heads, and stocky ...

When it comes to their teeth, they are just as massive, their front teeth, in particular. Their incisors (the teeth in the front middle) can grow to around 16 inches long, while their canines can ...

Have you ever seen a hippo get its teeth brushed? This video from CGTN Español shows how a zookeeper cleans the teeth of a very cooperative hippo. The friendly hippo keeps its massive mouth open for ...

Most people remember hippos from school as huge animals that spend much of their time in rivers. That simple image leaves out many surprising details about how they actually live. Researchers who ...