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Cuvier's beaked whale facts for kids

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Cuvier's beaked whale
Temporal range: Pliocene-recent
Cuvier's beaked whale size.svg
Size compared to an average human
Conservation status
Scientific classification
Cetacea range map Cuvier's Beaked Whale.PNG
Range of Cuvier's beaked whale

Cuvier's beaked whale (Ziphius cavirostris), is the only member of the genus Ziphius. It is the most widely distributed of all the beaked whales.

It is a record deep diver:

"Cuvier’s beaked whales are likely to be the most extreme divers among marine mammals, able to go nearly 3km down and hold their breath for more than two hours".

History of discovery

The French anatomist Georges Cuvier, in his Sur les Ossemens fossiles (1823), first described the species based on an imperfect skull from the Mediterranean coast of France. A peasant had found it on the shore in 1803.

Cuvier named it Ziphius cavirostris. The specific name comes from the Latin cavus for "hollow" or "concave". This refers to the deep hollow in the skull, a diagnostic trait of the species. Cuvier believed it was an extinct species. In 1850 zoologists realized the species was still living, when Paul Gervais compared the type specimen to a whale stranded at Aresquiès, Hérault. He found the two to be identical.


Cuvier's beaked whale feeds on several species of squid. They also prey on deep-sea fish. On March 27 2014 a Cuvier's beaked whale tracked by a satellite-linked tag set a new deep diving record for a sea mammal, plunging nearly two miles below the ocean surface.

Although it is in the Odontoceti, it has little use for teeth. As adults, two incisors at the front of the lower jaw stick forward. Basically, it sucks in prey by expanding its throat.

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