Environment and Climate Change Canada

The North American Breeding Bird Survey (BBS) is a road-based, long-term, continental survey that focuses on measuring breeding bird abundance at 50 stops along roughly 40-km long transects. This collection houses PDFs of active BBS route maps, which are grouped by province or territory. These...

These surveys focus on two abundant shorebird species, Western Sandpiper (Calidris mauri) and Dunlin (Calidris alpina), and are conducted at a large mudflat on Roberts Bank, Delta, British Columbia, approximately 35 km south of Vancouver. These survey counts began in 1991 and are conducted...

Predicted and actual counts of sandpipers utilizing the portion of Roberts Bank along “Brunswick dike” (the shoreline between the base of the Roberts Bank Coal Port causeway northwestwards to Brunswick Point at the mouth of Canoe Pass).