Print

Print


Thanks for the link to Hector's summary Alan.  That was very informative. I assumed the 5 Black Vultures I saw last week were overshoots but had not considered that they may have been a breeding "scouting party".  Interesting.
 
> Date: Fri, 9 Apr 2010 09:08:38 -0400
> From: [log in to unmask]
> Subject: Re: [VTBIRD] Expansion of Black Vultures
> To: [log in to unmask]
> 
> Hector Galbraith also wrote up a nice summary of Black Vulture records 
> in Vermont through 2007. You can see his work on the VT Bird Records 
> Committee website:
> http://www.vtecostudies.org/vbrc/images/BLVU_IN_VT.pdf
> 
> Since 2007, the species has become sufficiently "common" that the 
> committee is no longer soliciting rare species documentation forms. 
> Also, you can go to eBird and get a summary of the more recent records.
> 
> Allan
> 
> Gregory Askew wrote:
> > In speculating on what contributed to the northward expansion of Black
> > Vultures, I wondered if the creation of the interstate highway system
> > during the 1950s and 60s, with its resultant increase in road kills of
> > large animals might have played a significant role. So I browsed the
> > internet for research...Some of the sources reference different
> > decades in which the expansion began, which makes my hypothesis more
> > tenuous. However, this abstract from JSTOR sets the time about right
> > for the construction of such major interstate highways as I-95...a
> > relative straight-shot from Florida and Georgia, the historic
> > northerly range of Black Vultures, to New England. The article also
> > draws a correlation between the vulture's expansion and an increase in
> > White-Tailed Deer population in the east.
> > http://www.jstor.org/pss/3858362
> > Interesting stuff...and, as usual, it all leads back to changes we have wrought.
> > Here are some of the other webpages I found:
> > http://etd.ohiolink.edu/view.cgi?muhonors1145900648
> > http://docs.google.com/viewer?a=v&q=cache:VnnSRGF-56QJ:hawkmountain.org/media/blackvulCSR_June07.pdf+expansion+of+Black+vulture&hl=en&gl=us&pid=bl&srcid=ADGEESh5zOqRbiCAiT55TIIaAs7TupehphIZfBn2U6NiHXqs9Z0PK3I2m57S82z8kZ_GWGpHmvRGbc4IbwT8KNP5fd8UMMs6vtiDFQ2mu8Qh1_pv8-BcKevxcfPR-Gq8cD80dYIT_DBI&sig=AHIEtbTE6ChWiW3nYjhvfDyp5BC4NksM1w
> > http://docs.google.com/viewer?a=v&q=cache:n7AUwsXuYf8J:ddr.nal.usda.gov/bitstream/10113/6131/1/IND43973338.pdf+expansion+of+Black+vulture&hl=en&gl=us&pid=bl&srcid=ADGEESgDqOE4O_TB7YdePjoLGVkd_PgZ4E5TQe1bDse3cZ2ZmFTV5-vYu6Fw6Eh5TnkP0VmIX3LPKZUSZlY2wx6rTbqYJaTd5KNm3morjRd9zTXhsQF7sXveKJrJv40FyUT1EWlx8xmn&sig=AHIEtbTfL9EW1emM5WYrGpOz7fqUMPPtrA
> >
> > Greg
> > Vergennes
> > 
> 
> -- 
> 
> *******************************************************************
> Allan M. Strong
> University of Vermont
> The Rubenstein School of Environment and Natural Resources
> 347 Aiken Center
> Burlington, VT 05405
> 802-656-2910
> *******************************************************************
 		 	   		  
_________________________________________________________________
The New Busy is not the old busy. Search, chat and e-mail from your inbox.
http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_3