Subject: Re: animal sound localization From: Peter Lennox <P.Lennox@xxxxxxxx> Date: Wed, 31 Oct 2007 14:26:51 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>as a rule of thumb, it might seem plausible that species that have evolved with fredom of movement in 3 dimensions might need better equivalence in acuity in three dimensions, so vertical would be important. Just speculative, though regards ppl Dr. Peter Lennox S.P.A.R.G. Signal Processing Applications Research Group University of Derby http://sparg.derby.ac.uk Int. tel: 3155 >>> Chris Clark <cwc2@xxxxxxxx> 10/31/07 2:07 PM >>> Bats! owls are passive locators - so be sure you differentiate between these two mechanisms. ... and you are asking about scientific examples of such. FYI - There are observations of large whales doing things - like counter-calling over long distances and then joining up - that seem to have an explanation in this domain. Some of these have been scientifically validated by playback experiments, but these are not able to test vertical acuity. Whales also find food resources through either active or passive acoustic localization in 3-space. chris At 04:38 PM 10/30/2007, D.W. Smith wrote: >Tyto alba, the barn owl. > >-----Original Message----- >From: AUDITORY - Research in Auditory Perception >[mailto:AUDITORY@xxxxxxxx On Behalf Of Brian Keith Branstetter >Sent: Tuesday, October 30, 2007 4:25 PM >To: AUDITORY@xxxxxxxx >Subject: animal sound localization > >Hello. > >Are there any examples of an animal (besides a dolphin) who can localize >sound sources in the vertical plane with the same (or similar or better) >acuity as the horizontal plane? > >Are there any references to such a finding? > >Thank you in advance. > > >Brian Branstetter >NRC postdoc >US Navy marine mammal program Dr. Christopher W. Clark, I.P. Johnson Director Bioacoustics Research Program, Cornell Laboratory of Ornithology Senior Scientist, Department of Neurobiology and Behavior Cornell University 159 Sapsucker Woods Rd. Ithaca, NY 14850 Phone:607-254-2408 FAX:607-254-2460 website:http://www.birds.cornell.edu/brp/