And here is the citation for the reference above: Peterson, A. T. 1991.
New distributional information on the *Aphelocoma* jays. Bull. Br.
Ornithol. Club no. 111:28-33.
Hope this helps a bit.
On Monday, May 14, 2018 at 7:22:58 PM UTC-6, chris-brochu wrote:
> I'm on my way home from a research trip to Mexico City. I've been eating
> my heart out about the fallouts (fallsout?) I've missed, but then I
> remember that a lot of the birds I saw either in the city or in the
> highlands south of it (mostly Morelos state) as recently as this morning
> are north-bound migrants. So migration is still very much happening.
> Question - do any of you know the geographic range of the Sumichrast's
> subspecies of Woodhouse's scrub jay? Or know who to ask? This is a form of
> Woodhouse's scrub jay found in Mexico, but all I can get from some recent
> peer-reviewed papers is "south of the Transvolcanic Line." This is a bit
> like saying Missouri is "south of Canada."
> Christopher A. Brochu
> Professor & Director of Undergraduate Studies, Department of Earth &
> Environmental Sciences
> Past Chair, CLAS Faculty Assembly
> University of Iowa
> Iowa City, IA 52242 USA
> phone 319-353-1808
> fax 319-335-1821