Ocean Atlas · Animals

Whales

Andrews' beaked whale

Mesoplodon bowdoini

One of the least-known whales in the world, almost never seen at sea. No sighting is ever a promise.

Data DeficientIn 1 Atlas country

Data Deficient (IUCN, 2020) means there is not enough information to judge its risk of extinction, because it is known mostly from stranded animals.

Length

Adults up to about 4.9 m (16 ft) per the Australian Museum; Animal Diversity Web gives up to 4.7 m (15.4 ft). Calves are about 2.0 to 2.2 m (6.6 to 7.2 ft) at birth

Weight

About 1.0 to 1.5 tonnes (2,200 to 3,300 lb) per the Australian Museum; Animal Diversity Web gives a maximum of 2.6 tons. These figures rest on very few stranded animals

Next to a person

About 2.5 to 3 times as long as a tall adult, and as heavy as roughly 15 to 20 adults

What it eats

Not known from direct observation. It is presumed to eat deepwater squid and fish, and possibly crustaceans and animals living on the seabed, caught by suction.

Around people

Very rare, give space

How it lives

Almost nothing is known about its life. Adult males are dark blue-black to brown with a white-tipped beak and sometimes a pale grey saddle behind the blowhole. Females are bluish grey to slate with less white on the beak. The flattened tusks show only in adult males. Animal Diversity Web says it occurs alone or in small groups, but this rests on very few records. Wikipedia notes cookiecutter shark bite scars.

Where it goes

It lives in cool temperate waters of the Southern Hemisphere, mostly between about 32 and 54 degrees south. Most records are strandings, from New Zealand, southern Australia and sub-Antarctic islands, so they show where animals wash up, not where they live. It is thought to prefer deep water, below about 1,000 m.

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

No population estimate exists. The IUCN lists it as Data Deficient (2020), which means there is too little information to judge its risk. It is known from strandings of about 35 animals (Australian Museum) to 48 specimens (Wikipedia), in Australia, New Zealand, Macquarie Island, the Falkland Islands and Tristan da Cunha. Wikipedia says it has not been hunted and no net entanglement is recorded. The Australian Museum says it appears to avoid vessels and is rarely seen at sea.

Meet it respectfully

This whale is almost never seen at sea, and beaked whales are sensitive to noise. If one is ever seen, keep the boat slow and quiet, stay well back, and never chase, surround, touch, feed or bait it. Never expect a sighting. Ask your operator which local rules apply; none were checked for this card.

Fun fact

Tap the bulb to light it up.

Where you may meet it

Andrews' 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.

FijiTanzaniaPapua New GuineaIndonesiaDem. Rep. CongoSomaliaKenyaSudanFr. S. Antarctic LandsTimor-LesteSouth AfricaLesothoZimbabweBotswanaZambiaMalawiMozambiqueeSwatiniBurundiMadagascarVanuatuThailandIndiaNew CaledoniaSolomon Is.New ZealandAustraliaSri LankaPhilippinesMalaysiaBruneiEthiopiaSomalilandUgandaRwandaS. SudanBaird Bay and Eyre Peninsula, AustraliaBarunguba and Narooma, AustraliaBremer Bay, AustraliaCairns, Port Douglas and the Ribbon Reefs, AustraliaChristmas Island, AustraliaCocos (Keeling) Islands, AustraliaLady Elliot Island, AustraliaLord Howe Island, AustraliaNingaloo, AustraliaRowley Shoals, AustraliaTasman Peninsula and Eaglehawk Neck, AustraliaMaria Island and the east coast, Australia

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Sources for this page

Facts checked 5 October 2026. Photos: Unsplash licence, or Creative Commons as shown on each photo.

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