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  1. Home
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  3. North Atlantic Right Whale

One of the 7 whales on WAnimals

North Atlantic Right Whale (Eubalaena glacialis)

Mammals · Artiodactyla · Balaenidae

North Atlantic Right Whale

Eubalaena glacialis

Endangered

At very high risk of extinction in the wild in the near future.

Spotted something wrong?

It is one of the most threatened great whale species on the planet, with fewer than 70 known breeding females.

Weight

63.5 t – 100 t

Size

4.5 m – 17 m

Life expectancy

55 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Irregular activity

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

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Hard

Estimated population

Roughly 360 individuals

Ocean
13countries12parks6dive sites3same family1natural phenomena

AI-generated images: illustrations, not photographs.

Fun facts

  • Its name comes from whalers regarding it as the "right whale" to hunt.
  • Fewer than 70 known breeding females remain.
  • One female was photographed over 60 consecutive years, confirming how long the species lives.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (marine mammal)
Habitat and environment
Coastal waters of the North Atlantic, between cold-water feeding grounds and calving grounds in the warm waters of Florida and Georgia
Birth weight
~794 kg; 4.5-6 m long
Size at birth
4.5 - 6 m long at birth
Sexual maturity
~10 years (a first birth at 5 has been documented in exceptional cases) | Male: ~15 years
Gestation / incubation
~12-13 months (350 days)
Litter / clutch size
1 young, with 3-7 years between births (lately longer, up to 6-10 years, through environmental stress)

Sources consulted: Animal Diversity Web; AnAge (genomics.senescence.info); Texas Tech (Mammals of Texas); Biological Diversity; Atlantic Whales; NOAA Fisheries; Animalia.bio; Government of Canada (recovery strategy)

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 16 of 18.

Related species

Other species in the catalogue with the most in common with North Atlantic Right Whale — same habitat, park, country, tags or family.

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How to help

The north atlantic right whale is classified as endangered. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 7 protected areas — one reason why protecting these places matters for its conservation.

Keep exploring

Based on what we already know about north atlantic right whale.

Comments

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See full glossary
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See its range on the interactive map→
AcadiaUnited States
Gros MorneCanada
FundyCanada
Assateague IslandUnited States
Cape CodUnited States
Cape Breton HighlandsCanada
Sable IslandCanada
Mingan ArchipelagoCanada
ForillonCanada
Gulf IslandsCanada
Block Island (Mohawk wreck)United States
USS Monitor (Graveyard of the Atlantic)United States
Andrea DoriaUnited States
Gray's ReefUnited States
Bay of FundyCanada
Bell Island WrecksCanada
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Great Scallop

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CountriesCanada
ParksAcadiaUnited States
TagsOmnivore
Omnivore
Variable activity
Solitary
Endangered
Ocean
Mammal

Europe7

North America5

Africa1

Canada
United States
Bahamas
Bermuda
France
Greenland
France
Iceland
Ireland
Norway
Portugal
Spain
United Kingdom
Bahamas
Bermuda
Canada
Greenland
United States
Morocco