https://blog.limnology.wisc.edu/tag/migratory-waterfowl/
migratory waterfowl – Water Blogged – UW–Madison
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https://bid.leapauctions.com/auctions/9816/lot/16472
20th Century Federal Migratory Waterfowl Cloisonne Framed Stamp Collection - Leap Auctions, LLC
These framed stamps are a Limited Edition from Ducks Unlimited. They're date from 1934 to 1990, and this one is number 125 of only 300. This is a great investme
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