There is a link to Sibley's discussions on Cackling and Canada Goose subspecies
at the VSO web site http://www.virginiabirds.net/ as well as some good ;
historical info about Canada/Cackling Goose at
http://www.oceanwanderers.com/CAGO.Subspecies.html
Good Birding,
Mike Boatwright-
Amherst, VA
-------------- Original message from Birdconsv@xxxxxxx: --------------
I expect that we will begin to see a lot more reports of this new species on
VA-BIRD. So far ABA has not provided a good ID article on them in Birding
(with range maps by subspecies and similar details), and I don't believe I've
seen
one elsewhere. Field guides are of limited help. Can anyone recommend a
good--and available--source for such information until the mainstream birder
publications catch up? Thanks
Dave Davis
Arlington
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