• Christmas Bird Count, December 15, 2004: 66 Red-breasted Mergansers.
• October 19, 2005: 1 Red-breasted Merganser at the Nanose Bay Estuary.
• November 2005: 3 Red-breasted Mergansers seen during Nanoose Bay Seabird Survey.
• December 11, 2005: 50 Red-breasted Mergansers on the ocean at the Englishman River Estuary.
• Christmas Bird Count, December 17, 2005: 109 Red-breasted Mergansers.
• January 2006: 8 Red-breasted Mergansers seen during Nanoose Bay Seabird Survey.
• February 8, 2006: 3 Red-breasted Mergansers on the ocean at the Englishman River Estuary.
• February 19, 2006: 2 male Red-breasted Mergansers off Beachcomber Park, in breeding plumage.
• March 1, 2006: 1 male and 2 female Red-breasted Mergansers seen at Wall Beach, and 2 seen in March during Nanoose Bay Seabird Survey.
• April 2006: 21 Red-breasted Mergansers seen during Nanoose Bay Seabird Survey.
• August 10, 2006: 3 Red-breasted Mergansers seen on the ocean at the Englishman River Estuary.
• November 12, 2006: 13 Red-breasted Mergansers seen in Nanoose Harbour.