OHIO-BIRDS Archives

March 2011

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Subject:
From:
Bill Whan <[log in to unmask]>
Reply To:
Bill Whan <[log in to unmask]>
Date:
Tue, 8 Mar 2011 10:07:20 -0500
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Back on 3/6 Bill Tacon was kind enough to send to this list photos of
the Hoover tern; unlike the first versions I saw, they were not cropped
to exclude the ring-billed gull standing beside it,
        These photos are at
http://www.flickr.com/photos/60299532@N07/sets/72157626211286482  and I
believe they show the overall lengths of these two birds, at equivalent
distances from the camera, to be quite close. You have to overlook the
longer legs of the gull and its bulkier body, and just look at the
overall lengths, though they are standing at slightly different angles
in the point of view. There is no way the tern is ~1/3 shorter than the
gull, and I regard this as very strong evidence that lesser crested tern
is ruled out. Perhaps another photo will emerge (there were two people
standing on the dam yesterday taking photos of the tern standing with
gulls on the floating dock below; the light from there was excellent,
and I hope they'll share their photos), but for the time being it looks
like a royal tern to me.
Bill Whan

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