Ocean Atlas · Animals

Whales

Sowerby's beaked whale

Mesoplodon bidens

A shy deep-diving whale that spends most of its time far below the surface, so no sighting is ever a promise.

Least ConcernIn 8 Atlas countries

Least Concern (IUCN, 2020) means it is not at high risk of extinction, although there is too little data to estimate its numbers or trend.

Length

About 4.4 to 6.4 m (14.5 to 21 ft) per NOAA; Wikipedia gives about 5 m for females and 5.5 m for males, and SeaLifeBase a maximum of 5.5 m

Weight

About 1,000 to 1,300 kg (2,200 to 2,900 lb), with males generally larger than females (NOAA)

Next to a person

About 3 times as long as an adult is tall, and as heavy as roughly 12 to 16 adults.

What it eats

Small deep-sea fish and squid, taken by suction feeding during deep dives. Wikipedia lists lanternfish, hake and cod among the fish, with squid playing a smaller part.

Around people

Shy, give space

How it lives

Sowerby's beaked whales are usually seen alone or in groups of three to ten. NOAA reports regular dives of 10 to 15 minutes, sometimes more than 28 minutes, to depths of about 1,500 m (4,920 ft). At the surface they often lift the head at about a 45 degree angle. Males have two teeth that show on the lower jaw, while the teeth of females and juveniles stay hidden under the gum. How long they live and how often they calve are not given in the sources read.

Where it goes

It lives in deep, cold temperate and subarctic water off the continental shelf edge of the North Atlantic, between about 30 and 71 degrees North. NOAA says it may be more common in the eastern North Atlantic and rarely enters the Mediterranean. Set migration routes are not described in the sources read.

We only draw a journey on the map when scientists have tracked it or clearly documented it. For this animal we have not found one yet.

Populations

Global: Least Concern (IUCN, assessed 2020). NOAA says the data are not enough to estimate population trends, and Wikipedia says no population estimates have been made. In the United States it is protected under the Marine Mammal Protection Act, and it is on CITES Appendix II. NOAA lists fishing gear entanglement, ocean noise and past whaling as threats.

Meet it respectfully

This is a shy whale that is rarely seen. If one appears, keep a good distance, move slowly and keep engine noise low. Never chase, surround, touch or feed it, and give mothers with calves extra room. In the United States it is protected under the Marine Mammal Protection Act. Follow your guide and local rules.

Fun fact

Tap the bulb to light it up.

Where you may meet it

Sowerby's beaked whale in the Ocean Atlas

Places we have researched where this animal is recorded. It is never guaranteed, and some places are for watching from the boat only.

TanzaniaW. SaharaCanadaUnited States of AmericaDem. Rep. CongoKenyaSudanChadHaitiDominican Rep.RussiaBahamasNorwayGreenlandMexicoBrazilBoliviaPeruColombiaPanamaCosta RicaNicaraguaHondurasEl SalvadorGuatemalaBelizeVenezuelaGuyanaSurinameFranceEcuadorPuerto RicoJamaicaCubaSenegalMaliMauritaniaBeninNigerNigeriaCameroonTogoGhanaCôte d'IvoireGuineaGuinea-BissauLiberiaSierra LeoneBurkina FasoCentral African Rep.CongoGabonEq. GuineaZambiaMalawiMozambiqueAngolaBurundiIsraelLebanonPalestineGambiaTunisiaAlgeriaJordanIraqSyriaSwedenBelarusUkrainePolandAustriaHungaryMoldovaRomaniaLithuaniaLatviaEstoniaGermanyBulgariaGreeceTurkeyAlbaniaCroatiaSwitzerlandLuxembourgBelgiumNetherlandsPortugalSpainIrelandItalyDenmarkUnited KingdomIcelandGeorgiaSloveniaFinlandSlovakiaCzechiaEritreaSaudi ArabiaN. CyprusCyprusMoroccoEgyptLibyaEthiopiaUgandaRwandaBosnia and Herz.MacedoniaSerbiaMontenegroKosovoTrinidad and TobagoS. SudanPond Inlet and the Nunavut floe edge, CanadaDigby Neck and Brier Island, CanadaSable Island, CanadaAjaccio and the Gulf of Ajaccio, FranceBonifacio, Porto-Vecchio and the Lavezzi Islands, FranceMarseille, the Calanques and Cassis, FrancePort-Cros, Porquerolles and Hyères, FranceVillefranche-sur-Mer and Nice, FranceHeligoland, GermanyKreidesee Hemmoor, GermanyRuegen and the Baltic coast, GermanyWadden Sea, NetherlandsZeeland coast, NetherlandsSkjervøy and Kvænangen, NorwayFaial and Horta, PortugalMadeira, PortugalPico (Madalena and Lajes), PortugalPrincess Alice Bank, PortugalInner Hebrides (Coll, Tiree and Mull), United KingdomMoray Firth and Chanonry Point, United KingdomOrkney and Scapa Flow, United KingdomFarne Islands, United KingdomLundy, United KingdomFlorida Keys (Key Largo), United StatesLa Jolla and the Channel Islands, United StatesMaui, United StatesOʻahu, United StatesSan Diego and La Jolla, United StatesJuneau and Southeast Alaska, United StatesGlacier Bay, United StatesSeward and Kenai Fjords, United States

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