Sleeping

From: Kim Marshall-Tilas (kimm@oceanalliance.org)
Date: Sun Dec 17 2000 - 10:52:47 EST


>Reply:

Dear Joey and Joe,
By keeping half their brain alert they can detect danger. Toothed
whales usually live in family groups so they also protect each other.

>Question:

>Dear Ms. Marshall,
>
>If whales rest by sleeping 1/2 their brain at a time, how do they defend
>themselves at night?
>
>Thanks,
>
>Joe & Joey Dille
>Telford PA

-- 
Kim Marshall-Tilas
Senior Director
Ocean Alliance/Whale Conservation Institute
191 Weston Road, Lincoln, MA  01773
781.259.0423 or fax 259.0288
www.oceanalliance.org



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