Sue Heath posted this link earlier in the month
http://www.sibleyguides.com/canada_cackling.htm
It does have a map towards the end.=20
John Fox
Arlington
I expect that we will begin to see a lot more reports of this new =
species on=20
VA-BIRD. So far ABA has not provided a good ID article on them in =
Birding=20
(with range maps by subspecies and similar details), and I don't believe =
I've seen=20
one elsewhere. Field guides are of limited help. Can anyone recommend a =
good--and available--source for such information until the mainstream =
birder=20
publications catch up? Thanks
Dave Davis
Arlington
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