Suitable sites were then ground-trothed and shorebird populations assessed following methods for counting non-breeding waders outlined in Bibby et al. (2000). Shorebirds were surveyed
in three main areas: around Sonadia Island, Cox’s Bazar District; at the Feni estuary and Hatiya Islands of Greater Noakhali District; and in the Lower Meghna delta around Bhola District. Additional short surveys were undertaken at the Sangu estuary and Bodur Makam, Teknaf.