• Christmas Bird Count, December 15, 2004: 365 Mew Gulls.
• August 28, 2005: 11 Mew Gulls seen at the Nanoose Bay Estuary.
• October 19, 2005: 10 Mew Gulls at the Nanoose Bay Estuary.
• December 11, 2005: 1 Mew Gull seen at the Englishman River Estuary.
• Christmas Bird Count, December 17, 2005: 751 Mew Gulls.
• January 2006: 17 Mew Gulls seen during Nanoose Bay Seabird Survey.
• February 8, 2006: About 10 Mew Gulls seen at the Englishman River Estuary.
• March 1, 2006: About 20 Mew Gulls seen at Nanoose Bay Estuary and 100 Mew Gulls seen at Rathtrevor Beach, in first-year winter and adult non-breeding plumages.
• April 2006: 168 Mew Gulls seen during Nanoose Bay Seabird Survey.