I found this information on another site. These numbers are encouraging in light of the concerns in recent years on the Scaup populations and their breeding success.
Annual waterfowl counts along the US & CDN lower Great Lakes shore
Species
Unidentified Scaup
Year - Count
2002 - 105,656
2003 - 86,219
2004 - 107,603
2005 - 64,502
2006 - 87,378
2007 - 190,240
Long-term Average - 106,933
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