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April 2008

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Subject:
From:
Bill Whan <[log in to unmask]>
Reply To:
Bill Whan <[log in to unmask]>
Date:
Thu, 3 Apr 2008 15:48:09 -0500
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Dear Paul & all--
        Yes, tagged swans are likely to be Ohio's introduced population. In the
early years they wore black-and-white tags, and recently
yellow-and-green were used. If you can't be sure which species they are,
swans with other tags could possibly be wild tundras, but more likely
trumpeters introduced elsewhere. Trumps from Michigan and Ontario
especially--like Ohio's they are non-migratory--can wander into Ohio.
None of these trumpeters have wild pedigrees. The last wild trumpeter
swan record from Ohio occurred over a century ago.
        It is rather cumbersome to identify birds by sending their
license-plate numbers off and waiting for a response; separating these
swans in the field is not the easiest of IDs, but it's worth learning,
and spring and fall migrations of tundras (Mar and Nov for the most
part) are the time to do so.
Bill Whan
Columbus

Paul Dubuc wrote:
> Isn't a tagged swan in Ohio more likely to be a Trumpeter?  I'm not
> questioning the ID, just was under the impression that most Buckeye
> Trumpeters were closely monitored.
>
> Paul

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