September 6 (Saturday) Ottawa [until Noon]Leader: Dave Moore.Meet 7:30 a.m. along Cassels Road, outside gate to Britannia Filtration Plant. Experience the diversity of Ottawa’s avifauna during the peak of Fall migration. Expect warblers, sparrows, waterfowl, shorebirds, gulls and others. Study subtle differences between similar species as we explore the Ottawa River from different vantage points. We start at Britannia and move slowly west, visiting some of Eastern Ontario’s best migratory staging areas.