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Southern Bottlenose Whale


Scientific Name:
Hyperoodon planifrons
Length:
7.0 - 7.5 m (23.0 - 24.6 ft)
Weight:
4000 kg (8800 lbs)
Status:
good to go
Prey:
Squid, fish (including Patagonian toothfish) and crustaceans

Physical characteristics

The coloration is metallic gray with a pale underside. White scratches and scars are seen often.

Behavioral characterization

After each dive, they surface and breath with blowings every 30 to 40 seconds.

Distribution

Cirsumpolar in the southern hemisphere, between 57° and 70° S.

Population size

Estimated around 600,000

Predators

Killer whales

Migration/Dispersal patterns

They migrate to cold Antarctic waters in summer.

Social system/Group size

Mostly in groups of up to 10.

Major threats

They are hunted by Russian whalers and known to be threatened by entanglement in fishing gear in the Tasman Sea.

Research efforts

N/A

Fun fact

They can dive for over an hour to depths over 1,000 m.