Main Page | See live article | Alphabetical index A scaup can be one of two species of diving duck. Greater Scaup or just Scaup, Aythya marila Lesser Scaup, Aythya affinis This is a disambiguation page. If you followed a link here, you might want to go back and fix the link, so that it points to the appropriate page. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.