[NatureNS] Turkey Vultures

Date: Sat, 30 Mar 2013 10:56:40 -0400
From: Fred Schueler <bckcdb@istar.ca>
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Quoting nancy dowd <nancypdowd@gmail.com>:

> In Bernd Heinrich's newer book (Life Everlasting: The Animal Way of Death)
> the author suggests Turkey Vultures have steadily expanded their range
> northwards because carcasses are no longer frozen completely solid during
> the milder winters in New England allowing a large population to remain
> year round.

* that may work for New England, but it seems to me that there's also  
very increased seasonal and breeding migration into Ontario -  
http://karstaddailypaintings.blogspot.ca/2012/04/jills-barn-5-x-7-in.html -  
but this would have to be measured north of Bernd's "frozen carcass"  
isotherm.

fred.
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          Frederick W. Schueler & Aleta Karstad
Bishops Mills Natural History Centre - http://pinicola.ca/bmnhc.htm
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