For those interested, the 51st Supplement to the AOU Check-list of North
American birds is now on line at the AOU site:
http://www.aou.org/checklist/north/suppl/51.php
Most, scientific organizations and listers alike, regard this as the
definitive list. This one contains many changes and additions based on
the latest research. If you make or use checklists, it is indispensable.
The full list, as amended is at
http://www.aou.org/checklist/north/full.php  .
Bill Whan
Columbus

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