pectoral sandpiper(n = noun.animal) calidris melanotos, jacksnipe - American sandpiper that inflates its chest when courting;
is a kind of sandpiper
is a member of calidris, genus calidris

bartramian sandpiper, curlew sandpiper, european sandpiper, greater pectoral muscle, least sandpiper, pectoral, pectoral arch, pectoral fin, pectoral girdle, pectoral medallion, pectoral muscle, pectoral vein, red-backed sandpiper, sandpiper, sea sandpiper, smaller pectoral muscle, spotted sandpiper, upland sandpiper