March reports of nighthawks in Ohio seem to be a yearly phenomenon.
They usually coincide with the arrival of woodcocks. As far as I know,
there are *no* verifiable specimens or photographs of nighthawks here at
this time; all reports are of calls thought to have been those of
nighthawks.
        There is an interesting conversation ongoing at
http://cincinnatibirds.com/message/showthread.php?Thread=2331  among the
Cincinnati birding community about such a report recently; it's
thoughtful and well worth reading. There are only a few Ohio species
with odd records verified by ear alone---one example is the nighthawk's
close relative the chuck-will's-widow via its very characteristic
vocalizations (there are 36 records at Point Pelee in Ontario at
expected times!)---but more substantial evidence is required for very
odd seasonal occurrences of other species.
        Here in Franklin County, we have acceptable single records of common
nighthawks on the very early dates of April 16, 18, and 19, and one as
late as 11/20. It is possible that climate moderation may enable these
birds to show up a few days earlier, but based on accepted records March
is just out of the picture.  Freakishly early records based on
vocalization alone can't be accepted unless calls are recorded and examined.
        I am sure reports of nighthawks will be appearing on eBird (and even on
Ohio-birds) soon, but I am equally sure that Ohio eBird editor Vic Fazio
is continuing his careful monitoring of such reports; I'm sure it's a
regular duty here in March.  Rewriting Ohio's record of nighthawks will
require more than just thinking they've been heard. Nevertheless, I
expect to hear several reports again this year, and they are welcome. If
you find a dead nighthawk this month, however, pop it in the freezer
with written data and let someone know.
Bill Whan
Columbus




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