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Article #4623Re: do bird visual fields have overlap?
From: Andrew Taylor
Date: Wed, 02 Jun 1993 00:39
Date: Wed, 02 Jun 1993 00:39
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In article <1ugav7$ipa@mail.fwi.uva.nl> smagt@fwi.uva.nl (Patrick van der Smagt) writes: >But it this true? How much overlap do their visual fields, >indeed, have? Do birds see stereo? There is great variation, some birds such as Hornbills have no overlap others such as Owls have a large overlap similar to ours. Most would have some overlap, some have overlap both to the front and to the rear. The Woodcock has more overlap to the rear than the front! Stereoscopic depth perception has been demonstrated in some birds. Welty's Life of Birds is good starting point for questions abour birds. Andrew Taylor
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arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!yale.edu!nigel.msen.com!sdd.hp.com!saimiri.primate.wisc.edu!caen!batcomputer!munnari.oz.au!metro!usage!sansa.orchestra.cs.unsw.OZ.AU!andrewtReferences:
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 107c0a,9832886f4c04fd34 X-Google-Attributes: gid107c0a,public X-Google-Thread: 1119a6,9832886f4c04fd34 X-Google-Attributes: gid1119a6,public X-Google-ArrivalTime: 1993-06-01 18:34:07 PST Newsgroups: sci.bio,bionet.general Path: arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!yale.edu!nigel.msen.com!sdd.hp.com!saimiri.primate.wisc.edu!caen!batcomputer!munnari.oz.au!metro!usage!sansa.orchestra.cs.unsw.OZ.AU!andrewt From: andrewt@cse.unsw.edu.au (Andrew Taylor) Subject: Re: do bird visual fields have overlap? Message-ID: <1993Jun2.003903.29379@usage.csd.unsw.OZ.AU> Sender: news@usage.csd.unsw.OZ.AU Nntp-Posting-Host: sansa.orchestra.cs.unsw.oz.au Reply-To: andrewt@cse.unsw.edu.au (Andrew Taylor) Organization: Dept of Comp Sci & Eng, Uni Of NSW, Oz References: <1ugav7$ipa@mail.fwi.uva.nl> Date: Wed, 2 Jun 1993 00:39:03 GMT Lines: 13