[obol] interesting hawk photo

[Alan Contreras]

One thing to keep in mind is that very small numbers of Rough-legs seem to
remain south of the "official" breeding range in summer.  That might be a
hybrid source.

-- 
Alan Contreras
EUGENE, OREGON

McCain/Obama in 08 !

acontrer at mindspring.com
www.OREGONREVIEW.BLOGSPOT.COM ­ Commentary
www.CONTRERASBIRDS.BLOGSPOT.COM ­ Current Bird Photos





> From: Rich Hoyer <calliope at theriver.com>
> Date: Mon, 18 Feb 2008 16:26:00 -0500
> To: OBOL <obol at lists.oregonstate.edu>
> Subject: Re: [obol] interesting hawk photo
> 
> Hi All,
> 
> There were two private responses to me after I posted John's photos to
> ID Frontiers. This tail color in Rough-legged Hawk is essentially
> unknown in the wild, but Bill Clark does have a photo of a specimen
> with some rust in the tail that approaches the Eugene bird. His theory
> is that it might be a throwback from ancestral Rough-legged Hawk forms
> that probably had rufous in the tail (based on how many Buteos do have
> a rufous tail). The argument against hybrid is pretty strong, based on
> biogeographical information: Rough-legged Hawks don't breed anywhere
> remotely close to Red-tailed Hawk subspecies that have red tails. Bill
> did point me to a photo at
> http://www.americanbirding.org/photoquiz/quizans22.html that he feels
> is a Rough-legged X Harlan's Red-tail hybrid  (despite the answer to
> the photo quiz, which just hasn't been revised yet). This would be the
> first known hybrid between these species.
> 
> Good Birding,
> 
> Rich
> ---
> Richard C. Hoyer
> Tucson, AZ
> 
> Senior Leader, WINGS
> http://www.wingsbirds.com
> ---
> 
> 
> On Feb 18, 2008, at 3:55 PM, Daniel Farrar wrote:
> 
> All,
> This photo does not show the feathered tarsi well.  Other photos show
> the legs clearly feathered to the feet, eliminating Red-tailed of any
> sub species.  Hybrid buteos are exceptionally rare (probably just too
> hard to ID), but documented with genetic analysis.  Could it be?
>   Three photos were posted to ID frontiers  a week or so ago and I have
> not seen a response.
> 
> Daniel Farrar
> 
> On Feb 16, 2008 9:46 PM, Moore, Randy <Randy.Moore at oregonstate.edu>
> wrote:
>> I'm guessing adult light phase Harlan's hawk; apparently a not
>> insubstantial fraction of them can show a lot of rufous in the tail
>> (and a few show all rufous tails).
>>  
>>  
>> Randy Moore 
>> corvallis
>>  
>> 
>> From: Greg Gillson [mailto:greg at thebirdguide.com]
>> Sent: Fri 2/15/2008 9:40 PM
>> To: OBOL
>> Subject: [obol] interesting hawk photo
>> 
>> 
>> I have uploaded a photo of a buteo that John Sullivan took on February
>> 1
>> near Alvadore, Lane Co.
>> 
>> The body says one thing, the tail another.
>> 
>> What in the world is it?
>> 
>> Greg Gillson
>>  The Bird Guide, Inc.
>> greg at thebirdguide.com
>> http://thebirdguide.com
>> 
>> 
>> 
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> 
> 
> 
> -- 
> Daniel Farrar
> Eugene, Oregon
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