Calidris

Trivial name Latin name
Dunlin Calidris alpina
Red Knot Calidris canutus
Sanderling Calidris alba
Curlew Sandpiper Calidris ferruginea
Little Stint Calidris minuta
Temminck's Stint Calidris temminckii
Ruff Calidris pugnax
Pectoral sandpiper Calidris melanotos
Purple Sandpiper Calidris maritima
Red-necked Stint Calidris ruficollis

comparison of wing and tail configuration