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From: mll@hpfcso.FC.HP.COM (Mark Luce)
Newsgroups: sci.bio
Subject: Hanging Upside Down?
Message-ID: <9560003@hpfcso.FC.HP.COM>
Date: 5 Mar 91 20:10:02 GMT
Organization: Hewlett-Packard, Fort Collins, CO, USA
Lines: 6


     Many different types of bats, some sloths, and I believe some
prosimians, spend their sleeping hours hanging upside down. Have I
missed any other animals that do this? My real question is, what is
the adaptive significance of all this hanging around upside down?
Why do they do it?