The Narwhal is a rarely seen Arctic
This social whale is known for the
VERY long tooth that males have.
Very little is known about this whale.
All narwhals have two teeth in their
After the first year of a male
narwhal's life, its left tooth grows
This long, single tooth projects
from its upper jaw and can grow
to be 7-10 feet (2-3 m) long.
Tusks are usually twisted in a
and have a hollow interior.
The tusk's function is uncertain,
perhaps used as a formidable
jousting weapon in courtship and
dominance rivalry, in obtaining
food, and/or for channeling and
amplifying sonar pulses (which
The tusk is not used in hunting.
Long ago, narwhal sightings reinforced
(or started) the unicorn legends.
Narwhals live in the icy waters of the
Arctic seas. They rarely stray far from ice.
Narwhal means "corpse whale" in
This is perhaps a description of
their skin, which is bluish-gray with
white spots (young narwhals are
Narwhals have a cylindrical body
(with no dorsal fin) and a round
head with a small mouth on their
This compact body shape plus a
thick layer of blubber retains heat
in the icy Arctic waters in which