Next to the Dunlin and Knot the commonest British Tringinae are the Sanderling, Calidris arenaria (distinguished from every other bird of the group by wanting a hind toe), the Purple Sandpiper, T.
calidris and T.
dunlin Calidris alpine One on 12/2 at San Blas.
pectoral sandpiper * (Calidris melanotos) Just one in Hunting Creek (28 th ). 27.
Western Sandpiper Calidris mauri: At least ten probably any more at the Restinga shorebird site.