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  1. Home
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  3. Narwhal
Narwhal (Monodon monoceros)

Mammals · Artiodactyla · Monodontidae

Narwhal

Monodon monoceros

Near Threatened

It could become threatened in the near future if current threats go unchecked.

Spotted something wrong?

Its distinctive "tusk" is in fact a left canine tooth that grows forward in a spiral, and it is carried almost exclusively by males.

Weight

900 kg – 1.6 t

Size

3.5 m – 5.4 m

Life expectancy

35 years

Diet

Carnivore

Feeds mainly on other animals.

Activity

Irregular activity

Active at irregular times, by day or night depending on circumstances.

Social structure

Hierarchical pack

Lives in an organised hierarchical group, typical of cooperative hunters.

Polar
8countries12parks1dive sites1same family1natural phenomena1featured routes

AI-generated images: illustrations, not photographs.

Fun facts

  • Its "tusk" is in fact a spiralling left canine tooth, carried almost only by males.
  • A 2007 study put one female's age at 115 years.
  • It hunts on deep dives of up to 1,500 metres.
  • anatomíaThe tusk protruding from its mouth is in fact a sensory tooth with millions of nerve endings, able to detect changes in the salinity and temperature of the water.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Deep Arctic waters of Canada, Greenland, Norway and Russia
Birth weight
80-100 kg and 1.5-1.7 m long at birth
Size at birth
80-100 kg and 1.5-1.7 m at birth
Sexual maturity
Female: 5-8 years | Male: 8-10 years
Gestation / incubation
13-16 months (~14-15 months)
Litter / clutch size
1 calf per birth, with about 3 years between births

Sources consulted: American Oceans · All Species Wiki · Cool Antarctica · MarineBio · AnAge (genomics.senescence.info) · A-Z Animals · About Animals · Sealife Guide · NOAA Fisheries

Where to find it

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The pins mark the parks and dive sites where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 11 of 13.

Related species

Other species in the catalogue with the most in common with Narwhal — same habitat, park, country, tags or family.

Same taxonomic family
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Keep exploring

Based on what we already know about narwhal.

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See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
See its range on the interactive map→
AuyuittuqCanada
IvvavikCanada
Wrangel IslandRussia
Torngat MountainsCanada
AulavikCanada
QuttinirpaaqCanada
SirmilikCanada
Tuktut NogaitCanada
WapuskCanada
ForlandetNorway
Svalbard (ice diving)Norway
See all 12 parks
Beluga WhaleNear Threatened

Beluga Whale

Delphinapterus leucas

Polar BearVulnerable

Polar Bear

Ursus maritimus

WalrusVulnerable

Walrus

Odobenus rosmarus

Least Concern

Bowhead Whale

Balaena mysticetus

Least Concern

Harp Seal

Pagophilus groenlandicus

Vulnerable

Greenland Shark

Somniosus microcephalus

CountriesCanada
ParksAuyuittuqCanada
TagsCarnivore
Carnivore
Variable activity
In packs
Near Threatened
Polar
Mammal
Canada
Norway
Russia
Denmark
Finland
Greenland
Iceland
Sweden