Date: Mon, 29 Jan 2001 19:52:52 -0500 Reply-To: Maryland Birds & Birding Sender: Maryland Birds & Birding From: Rob Gibbs Subject: Re: Raptor Visual Capability MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit I'm not sure if the information is accurate but I think I remember hearing the story about the ultraviolet glowing urine on the David Attenboro PBS series on birds, you may be able to find a companion guide or the videos in the library and check up on it. Good luck. -- Rob Gibbs Damascus, MD robgibbs@starpower.net "Daniel F. McDonald" wrote: > Hi All-------- > > Seems to me, I have heard stories from a couple different sources that > some raptors can perceive light in the ultraviolet range and, thereby, > are able to locate rodent prey by watching for activity along > urine-marked rodent trails (which were said to be visible under > ultraviolet). > > Does anyone know: are these true stories? or are they nice > birdie-fairy tales? > > If so: does anyone know of the literature references to substantiate > these stories? > > Thanks for any information supporting or negating these stories. > > Georgia McDonald > Towson, Balt Co, MD > dangeo@erols.com > > ======================================================================= > To leave the MDOsprey list, send e-mail to listserv@home.ease.lsoft.com > with the following message in line 1: signoff mdosprey > ======================================================================= ======================================================================= To leave the MDOsprey list, send e-mail to listserv@home.ease.lsoft.com with the following message in line 1: signoff mdosprey ======================================================================= =========================================================================