Narwhal fun facts.

The horn on a narwhals head is realy a giant tooth. They use the tooth to spear their food.
Unlike many people believe narwhals are not mythical.
They do not have teeth in their mouths.
In the summer you may find two males "tusking".
Tusking is when narwhals cross tusks.
Adult Narwhals grow to about 2,100 lbs.