2. The narwhal is a cetacean mammal
of grey color. It can measure five
metres and it is in danger of
extintion too.
3. The narwhal lives in very cold waters mainly
in the artic zone, always near the floating ice
blocks.
4. Their strange caracteristics: They are
have two fangs, and their left fang it
grows inordinately only in adult males
It can measure three metres forming a
twisted horn.
5. One out of five hundred
females have two protruding
teeth.
6. Curiously this appendix is a sensory
organ capable of detecting changes of
temperaturas and wáter salinity
