Jill's Pick from Around the World: What a hyena's laugh tells


Photo credit: news.bbc.co.uk
 
The giggling sounds of a hyena contain important information about the animal's status, say scientists. In the first study to decipher the hyena's so-called "laugh", they have shown that the pitch of the giggle reveals a hyena's age. What is more, variations in the frequency of notes used when a hyena makes a noise convey information about the animal's social rank. 
 

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Posted by WILDNEWJERSEY at 4/1/2010 10:00 AM
Categories: Jill's Pick from Around the World
Tags: social rank Spotted hyenas hyena laugh hyena vocalisation hyena giggle
 

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