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Mark Robbins thinks Marsh Wrens may do the same to a lesser degree and is planning on studying that in the next few years. All very interesting stuff! 
 
Steve Kinder
 Chillicothe, Livingston Co. 
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--- On Mon, 10/26/09, Edge <[log in to unmask]> wrote:


From: Edge <[log in to unmask]>
Subject: Re: Discovered: a second breeding season for five migratory songbirds
To: [log in to unmask]
Date: Monday, October 26, 2009, 5:44 PM


Interesting!  But unheard of in the New World?  Don't Sedge Wrens have a double breeding season: one north and one later here in MO?

Edge Wade
Columbia, MO
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On Oct 26, 2009, at 4:13 PM, June wrote:

> I thought this was very interesting and got permission from Chuck Hagner to repost this to Mobirds list.  He posted it to Birdchat, [log in to unmask] .
> June Newman
> Carrollton, Mo
> 
>> Hi everyone--
>> 
>> Biologists studying songbirds that breed in North America and then migrate to Mexico have discovered something totally unheard of in the New World -- a second breeding season.
>> 
>> Five species -- Yellow-billed Cuckoo, Orchard Oriole, Hooded Oriole, Yellow-breasted Chat, and Cassin's Vireo -- breed primarily in the United States and Canada. Then they squeeze in a second breeding season during a stopover in western Mexico on their southward migration.
>> 
>> A paper describing the discovery has been published in the online edition of the Proceedings of the National Academy of Sciences. Only the abstract is available to nonmembers, but Associate Editor Matt Mendenhall has written a detailed summary for our blog:
>> 
>> Researchers discover a second breeding season for five migratory songbirds
>> Birder's World Field of View
>> http://is.gd/4CUFH
>> 
>> 
>> Chuck Hagner
>> Editor, Birder's World Magazine
>> Twitter: @CH_BirdersWorld
>> www.BirdersWorld.com
> 
> ------------------------------------------------------------
> The Audubon Society of Missouri's Wild Bird Discussion Forum
> ASM Fall Meeting: September 25-27 at Lake of the Ozarks State Park
> http://mobirds.org/Meetings/fallmtg09.asp

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The Audubon Society of Missouri's Wild Bird Discussion Forum
ASM Fall Meeting: September 25-27 at Lake of the Ozarks State Park
http://mobirds.org/Meetings/fallmtg09.asp

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The Audubon Society of Missouri's Wild Bird Discussion Forum
List archives: https://po.missouri.edu/archives/mobirds-l.html