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	<title>Comments on: Magpies</title>
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	<description>Construction materials and bird watching anecdotes</description>
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		<title>By: Ian</title>
		<link>http://materialsman.com/2008/12/magpies/comment-page-1/#comment-139</link>
		<dc:creator>Ian</dc:creator>
		<pubDate>Fri, 10 Apr 2009 10:09:16 +0000</pubDate>
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		<description>I think I can answer my own question, the evolutionary advantage is being linked to a family, the bond to the family is greater than the impulse to move far (from that family) so if the pathway to another area for expansion does not exist the magpies wont migrate as individuals, and I cant foresee a mechanism where the greater part of a family group migrate.</description>
		<content:encoded><![CDATA[<p>I think I can answer my own question, the evolutionary advantage is being linked to a family, the bond to the family is greater than the impulse to move far (from that family) so if the pathway to another area for expansion does not exist the magpies wont migrate as individuals, and I cant foresee a mechanism where the greater part of a family group migrate.</p>
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		<title>By: ThePath</title>
		<link>http://materialsman.com/2008/12/magpies/comment-page-1/#comment-11</link>
		<dc:creator>ThePath</dc:creator>
		<pubDate>Mon, 05 Jan 2009 20:59:52 +0000</pubDate>
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		<description>It is quite amazing. Having spent my whole life in the tay valley I have seen 2 magpies here in 27 years.

I find that amazing! That such an intelligent, well evolved and successful bird is rare in certain areas!

Perhaps magpies require biodiversity corridors to progress to different areas. In this case the corridors would be more urban areas as this seems to be the environment where they thrive!

So maybe there is not sufficient urban areas linking central Scotland with more Northern areas.

I would like everyone reading this post to add their own sightings. Very interesting topic.</description>
		<content:encoded><![CDATA[<p>It is quite amazing. Having spent my whole life in the tay valley I have seen 2 magpies here in 27 years.</p>
<p>I find that amazing! That such an intelligent, well evolved and successful bird is rare in certain areas!</p>
<p>Perhaps magpies require biodiversity corridors to progress to different areas. In this case the corridors would be more urban areas as this seems to be the environment where they thrive!</p>
<p>So maybe there is not sufficient urban areas linking central Scotland with more Northern areas.</p>
<p>I would like everyone reading this post to add their own sightings. Very interesting topic.</p>
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		<title>By: Ian</title>
		<link>http://materialsman.com/2008/12/magpies/comment-page-1/#comment-6</link>
		<dc:creator>Ian</dc:creator>
		<pubDate>Wed, 24 Dec 2008 16:57:15 +0000</pubDate>
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		<description>Spotted a magpie at Kinross from the M90, getting nearer to Perth!</description>
		<content:encoded><![CDATA[<p>Spotted a magpie at Kinross from the M90, getting nearer to Perth!</p>
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