Tag fin-footed

RESEARCH: Harbour Seals can change their voice to make them sound bigger

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Scientific researchers have determined that Harbour Seals can learn to change their voice to make them sound bigger, and that the behaviour is not a result of their anatomy.

Bigger animals usually have deeper (lower pitched) voices than smaller animals, but the Harbour Seal (Phoca vitulina) seems to be different. The Harbour Seal seems to be able to learn to change its voice. 

The Harbour Seal, a marine (saltwater) mammal in the Phocidae family of seals is a pinniped (fin-footed, semi-aquatic mammal such as a seal, sea lion, and walrus) found in the Northern Hemisphere. It is found in the Atlantic Ocean, Pacific Ocean, Baltic Sea, and the North Sea.

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What is the difference between the South American Fur Seal and the South American Sea Lion?

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What is the difference between the South American Fur Seal (Arctocephalus australis) and the South American Sea Lion (Otaria flavescens)?

The South American Fur Seal and the South American Sea Lion are both marine (saltwater) mammals in the Pinnipedia clade of sea lions and fur seals. They are both pinniped mammals, which means that they are fin-footed.

The South American Fur Seal are both in the Otariidae family, which means that they both have ears. The South American Fur Seal has no external ear flaps, whereas the South American Sea Lion has small but clearly visible external ear flaps. 

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