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"Calidris arenaria. Sanderling. Ruddy "Plover". Adult in summer: Entire upper parts and neck all round variegated with black, light ashy and bright reddish; on the back and scapulars each feather having a central black field, and being broadly margined and tipped with ashy or reddish. Under parts white, immaculate. Outer webs an tips of primaries deep brownish-black, inner light ashy. A white spot at base of inner primaries. Secondaries mostly pure white; the outer vanes and part of inner on the latter half dusky. Greater coverts dusky, broadly tipped and narrowly edged with pure white. Rump, upper tail-coverts and central tail-feathers dusky, tipped and narrowly edged with ashy-white; lateral tail=-feathers very light ash, nearly white. Bill and feet black." Elliot Coues, 1884

Sanderling

"Calidris arenaria. Sanderling. Ruddy "Plover". Adult in summer: Entire upper parts and neck all round…

"Micropalama himantopus. Stilt Sandpiper. In summer: blackish, each feather edged and tipped with white and tawny or bay, which on the scapulars becomes scalloped. Auriculars chestnut; a dusky line from bill to eye, and a light reddish superciliary one; upper tail-coverts white with dusky bars. Primaries dusky with blackish tips; tail-feathers 12 ashy-gray, their edges and a central field white; under parts mixed reddish, black, and whitish, in streaks on the jugulum, elsewhere in bars; bill and feet greenish-black." Elliot Coues, 1884

Stilt Sandpiper

"Micropalama himantopus. Stilt Sandpiper. In summer: blackish, each feather edged and tipped with white…