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Hi All, Mar 30, 2013
I takes a while for animals to respond to new opportunity. Traffic and
roadkill have increased many-fold over the last 50 years. Is roadkill a
significant portion of their diet ?
Yt, Dave Webster, Kentville
----- Original Message -----
From: "John and Nhung" <nhungjohn@eastlink.ca>
To: <naturens@chebucto.ns.ca>
Sent: Saturday, March 30, 2013 12:46 PM
Subject: RE: [NatureNS] Turkey Vultures
> Interesting hypothesis.
>
> "Ours" remained relatively uncommon till 2000 or so. When I came home on
> leave for a month in the summer in the '90's, a sighting was still
> noteworthy, but sightings were becoming gradually more frequent. By the
> winter of 2003-04, my first real winter home, they were pretty regular at
> certain favorite locations.
>
> Winters have been warming gradually over the past couple or three decades.
> I'm not sure if the more rapid increase a decade-odd ago had anything to
> do
> with winter temperatures or if it was just part of the exponential phase
> of
> a sigmoid curve. Missed opportunity for an interesting graduate thesis,
> eh?
>
> -----Original Message-----
> From: naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca]
> On Behalf Of Fred Schueler
> Sent: March-30-13 11:57 AM
> To: naturens@chebucto.ns.ca
> Subject: Re: [NatureNS] Turkey Vultures
>
> 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.
> ------------------------------------------------------------
> Frederick W. Schueler & Aleta Karstad
> 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
> (613)258-3107 <bckcdb at istar.ca> http://pinicola.ca/
> ------------------------------------------------------------
>
>
>
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