AOU 54th Supplement and Checklist of N.A. Birds
- Hi Birders,
If you haven't already seen the latest AOU Supplement and Checklist of North American Birds, you can download both the 54th Supplement and the newest AOU Checklist at the following two URL's.
AOU Check-list of North American Birds, 7th Edition, 54th Supplement <http://www.aou.org/checklist/north/print.php>
AOU Checklist of North and Middle American Birds