I talked with an experienced observer who believes she may have a
hybrid warbler, possibly a Kentucky X hooded (Oporornis formosus X
Wilsonia citrina). A male, it is singing more or less pure songs of both
species, plus a mixed one. The plumage is intermediate. She is sending
what documentation she can--no photos, only a poor-quality tape, alonw
with written observations--and more could be done.
        Anyone with interest in hybrid warblers who can muster the equipment
(I'd think a good parabolic pickup and recorder plus camera would do it)
would do well to document this cross.  Please contact me if you can
help. The bird is in Adams County. Collection is out of the question.
I'm not aware that this form has been documented before.
        Ohio of course hosted another very rare (two examples) warbler hybrid,
the "Cincinnati warbler," a Kentucky/blue-winged cross, not to mention
the parula X cerulean bird that returned to the same Toledo park this
spring. Mike Busam wrote a great account of the former for the Ohio
Cardinal (Winter 2000-2001 issue, pp 80-90), a early short version of
which is on the Web at
http://cincinnatibirds.com/history/CincinnatiWarbler.php , where you can
learn some of the ins and outs of warbler hybrid ID and taxonomy.
Bill Whan
Columbus

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