- Calidris, genus Calidris - a genus of Scolopacidae
--1 is a kind of bird genus
--1 is a member of Scolopacidae, family Scolopacidae
--1 has members:pectoral sandpiper, jacksnipe, Calidris melanotos; knot, grayback, Calidris canutus; curlew sandpiper, Calidris Ferruginea