Date:         Mon, 29 Jan 2001 15:33:11 -0500
Reply-To:     Maryland Birds & Birding <MDOSPREY@HOME.EASE.LSOFT.COM>
Sender:       Maryland Birds & Birding <MDOSPREY@HOME.EASE.LSOFT.COM>
From:         Greg Downing <gregdowning@MINDSPRING.COM>
Subject:      Re: Raptor Visual Capability
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I believe there is some stuff on this in the video series "The Life of
Birds" by David Attenborough.

Greg Downing
Parkton, MD
gregdowning@mindspring.com
www.gdphotography.com

----- Original Message -----
From: "Rob (Robert) Hilton" <robert@CSA.COM>
To: <MDOSPREY@HOME.EASE.LSOFT.COM>
Sent: Monday, January 29, 2001 1:20 PM
Subject: Re: [MDOSPREY] Raptor Visual Capability


> Paul,
>
> It does look like an interesting study!  I read the abstract when I
located
> the citation.  The authors hypothesize that Kestrels (Falco tinnunculus)
> can evaluate prey density, and habitat-worthiness, by the number of urine
> trails they see in a given patch.  So, they assess how much prey is
present
> and either move on quickly or settle down and start hunting.
>
> Rob Hilton
> B'da
> robert@csa.com
>
> At 12:10 PM 1/29/01 EST, you wrote:
> >Rob,
> >
> >Thanks for clearing up my flawed recollection of the UV article.
Regardless,
> >it's an interesting story.
> >
> >Paul O'Brien
> >Rockville, Mont. Co., MD
> >pobrien776@aol.com
> >
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