Baby otters’ permanent teeth begin to come in around three weeks old, with canines erupting at around three months. The video above shows this little otter already has canine teeth. Human babies ...

The video above shows this little otter already has canine teeth. Human babies generally do not begin teething until closer to six months, but permanent teeth will eventually replace their baby teeth.

Why do humans have canine teeth? Patrick McGannon, Surprise, Arizona All primate species have them, says Sabrina Sholts, a curator of physical anthropology at the Museum of Natural History.

From about five months in utero, human teeth start to develop. We are born with some of our baby teeth already partially ...

Our teeth will change with age. So, the teeth you have when you are a baby aren't the same as the one's you will have as an adult. Our teeth will change with age. So, the teeth you have when you ...

Following is a transcript of the video. Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in ...