So the Yellow-throated Warbler is really a wagtail?!??? No subspecies, given that geographic variation on continental North America is (chiefly) smoothly clinal ... As a consequence, junior synonyms of S. dominica (Linnaeus, 1766) include Motacilla superciliosa Boddaert, 1783 .... -- Joel Geier Camp Adair area north of Corvallis OBOL archives: www.freelists.org/archive/obol Manage your account or unsubscribe: //www.freelists.org/list/obol Contact moderators: obol-moderators@xxxxxxxxxxxxx