[NatureNS] The Remarkable Northern Wheatear, and Cranes

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Date: Thu, 18 Jan 2007 17:56:55 -0400
From: "Richard Stern" <sternrichard@gmail.com>
To: naturens@chebucto.ns.ca
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Hi,

Neat article in Birder's World. But I also noticed the 3rd article,
about birds caught in the DMZ in Korea. There is a NS connection, in
that George Archibald, a remarkable Nova Scotian who runs the
International Crane Foundation in Wisconsin, has been instrumental in
maintaining habitat and helping to conserve Siberian and White-naped
Cranes there.

And - that appears to be a free, full text, on-line  edition of the
magazine. Is that normally available, or did you scan this particular
edition into your computer?

Richard

On 1/18/07, Hans Toom <Htoom@hfx.eastlink.ca> wrote:
>
>
> Hi all,
>
>
> Last year was memorable for the Northern Wheatear with 12 birds reported in
> 10 Nova Scotia locations.
>
>
>
> This diminutive thrush nests on the tundra or the wind swept hills and short
> grasslands of our north, especially on Baffin Island.  There are two
> distinct continental populations, the western population of western Canada
> and Alaska and the eastern population of eastern Canada and Greenland. These
> two populations do not appear to overlap. The western group migrates to the
> west and then southwest.  It is believed that the eastern population
> migrates east through Greenland and Europe and then southward to Africa
> where they over-winter. If this migration pattern theory is correct then
> strong northerly winds would be the culprit wind that drives this bird into
> our province in the fall.
>
>
>
> Research by Dutch scientist Kaspert Thorup and his colleagues have an
> alternate explanation.  They theorize that the Northern Wheatear's migration
> route is not through Europe but directly from their eastern Canada and
> Greenland nesting grounds across the Atlantic to Africa, a distance of
> 4000km.  In this case the birds that show up in Europe are off course and
> driven there by south-westerly and westerly winds and the birds that arrive
> in southern Canada in our fall are driven here not by northerly winds as
> currently believed but by easterly or north easterly winds.
>
>
>
> A remarkable bird, indeed!
>
>
>
> Here's the text of the article from Birder's World:
> http://www.birdersworld.com/brd/default.aspx?c=a&id=822
>
>
>
> OK, so how cold has it been?  Here's two photos from yesterday morning at
> Portuguese Cove:
> http://www.hanstoom.com/Highlights/Highlights15.html
>
>
>
> Hans
>
>
>
> _______________________________________________________________
> Hans Toom
> E-mail: htoom@hfx.eastlink.ca
> Migration Count: http://hanstoom.com/NAMC/Index.html
> Nature Website: http://hanstoom.com
> _____________________________________________________________


-- 
#################
Richard Stern,
317 Middle Dyke Rd.,
RR#1 Port Williams,
NS, Canada B0P 1T0

rbstern@ns.sympatico.ca
rbstern@xcountry.tv
sternrichard@gmail.com
###################

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