Get a close-up look at hippos’ massive teeth in action, both wild and impressive.

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 importantly, common hippos have interlocking upper and lower front teeth which almost completely prevent side-to-side motion. Video footage and wear analysis confirmed that pygmy hippos use a ...