Tweets:

I'm trying to reconcile the distributions of some Swainson's Thrush
subspecies in Washington.

The 'russet-backed' Swainson's thrush (u. ustulata) is in western WA
in Jewett (Birds of Washington State) and in Pyle (Identification
Guide to N American Birds), but 'northeastern Cascades and the east'
in the Breeding Birds Atlas. Presumably this discrepancy is just an
honest error in the atlas?

Oedicus/oedica extends to central WA in Jewett, in c-sw CA in Pyle and
not mentioned in the atlas, which, presumably represents a
reassessment of the previous records?

Which other subspecies have been reported?

Any help would be appreciated. Just when does the Big Book of WA Birds
become available anyway?

Nigel
Bainbridge Island
nball001 at msn.com