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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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Bishops Mills Natural History Centre - http://pinicola.ca/bmnhc.htm
Mudpuppy Night in Oxford Mills - http://pinicola.ca/mudpup1.htm
Daily Paintings - http://karstaddailypaintings.blogspot.com/
South Nation Basin Art & Science Book
http://pinicola.ca/books/SNR_book.htm
RR#2 Bishops Mills, Ontario, Canada K0G 1T0
on the Smiths Falls Limestone Plain 44* 52'N 75* 42'W
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