NARWHAL - UNICORN OF THE SEA

Narwhal

Unicorn of the sea​

NARWHAL​

COMMON NAME: Narwhal

SCIENTIFIC NAME: Monodon monoceros

TYPE: Mammals

DIET: Carnivore

SIZE: 13 to 20 feet

WEIGHT: 1.5 tons

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NARWHAL​

carnivore ​/ˈkaːnivoː/ (n) a flesh-eating animal : động vật ăn thịt

ex: The lion is a carnivore​

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This species of whale is best known for its tusk—a long, spiraled tooth.

NARWHAL​

spiral /ˈspaiərəl/ (a) có dạng xoắn

ex: ​a spiral staircase

The tusk of Narwhal

The tusk can grow to 9 feet (3 meters) long and weigh more than 22 pounds (10 kilograms).

NARWHAL​

1 foot = 0,3048 m​eter

Where do narwhals live?

Unlike some whale species that migrate, narwhals spend their lives in the Arctic waters of Canada, Greenland, Norway and Russia.

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Most narwhals winter for up to five months under sea ice.

NARWHAL

What color are narwhals?

Narwhals change color as they age. Newborns are a blue-gray,

juveniles are blue-black

and adults are a mottled gray.

Old narwhals are nearly all white.

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Narwhal

juvenile /ˈdʒuːvənail/ (n) a person or animal that is young

Narwhals produce a variety of vocalizations, including echolocation clicks, tonal-pulsed signals, and whistles.

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Narwhal

What do narwhal sounds like?

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Fill in the Blanks

The narwhal

—most commonly found on males—is actually an enlarged tooth.

Multiple Choice

The length of tusk could be up to ..... feet.

Multiple Choice

Narwhals change ......... as they age.

• skin

• tooth

• color

• blood

Multiple Select

Narwhals spend their lives in the Arctic waters of ....... , Greenland, ....... and ...........

Multiple Choice

Newborns are a .......... ,

juveniles are blue-black

and adults are a mottled gray.

• blue-white

• blue-gray

• gray

• blue