Xref: utzoo sci.bio:4985 talk.environment:2985
Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!apple!agate!garnet.berkeley.edu!dean2
From: dean2@garnet.berkeley.edu (Dean Pentcheff)
Newsgroups: sci.bio,talk.environment
Subject: Re: Bats by a Mile
Message-ID: <1991May18.040410.15199@agate.berkeley.edu>
Date: 18 May 91 04:04:10 GMT
References: <1991May17.044756.26698@ddsw1.MCS.COM>
Sender: Dean Pentcheff
Reply-To: dean2@garnet.berkeley.edu (Dean Pentcheff)
Followup-To: sci.bio
Organization: Department of Integrative Biology, UC Berkeley
Lines: 13

In article <1991May17.044756.26698@ddsw1.MCS.COM> arf@ddsw1.MCS.COM (Jack Schmidling) writes:
> Subject: Sonar: Bats vs. Dolphins vs. Humans
> Bats win by a wide margin....
> What gives bats the edge over dolphins is a much higher frequency....

Wouldn't the speed of sound in the medium have some effect?  Sound is
_much_ faster in water than in air.  Wouldn't that make it much more
difficult to measure distances by timing sound echos?

-Dean
-- 
Dean Pentcheff  (dean2@garnet.berkeley.edu)
Department of Integrative Biology, University of California, Berkeley CA 94720