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Thursday, March 29, 2012

Bottlenose dolphins: 'Gangs' run society, scientists say

28 March 2012 


Bottlenose dolphins: 'Gangs' run society, scientists say

By Victoria Gill
Science reporter, BBC Nature



Only humans and Shark Bay dolphins have multiple levels of social groups


Male bottlenose dolphins organise gang-like alliances - guarding females against other groups and occasionally "changing sides".

The fact that the dolphins travel in their troops and frequently encounter strangers reveals a great deal about their intelligence, because when one group meets another, the animals have to decide how to respond.

Shark Bay dolphins deal with this by organising themselves into three different types of alliances.

Full article: http://www.bbc.co.uk/nature/17522450

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