Ruddy turnstone Ruddy turnstone The ruddy turnstone ("Arenaria interpres") is a small wading bird, one of two species of turnstone in the genus "Arenaria". The scientific name is from Latin. The genus name "arenaria" derives from "arenarius", "inhabiting sand, from "arena", "sand". The specific "interpres" means "messenger"; when visiting Gotland in 1741, Linnaeus thought that the Swedish word "Tolk" "interpreter" applied to this species, but in the local dialect the word means "legs" and is used for the redshank. It is now classified in the sandpiper family Scolopacidae but was formerly sometimes placed in the plover family Charadriidae. It is a highly
Black turnstone and breast become largely dark brown with little white. Juveniles are similar to winter adults but browner with buff fringes to the wing-coverts and scapulars and a grey-brown tip to the tail. The ruddy turnstone is similar but has rufous-brown markings on the upperparts and more white on the head and breast, particularly in breeding plumage. It has narrower wings and a narrower white wingbar. Its legs are orange and brighter than those of the black turnstone though there can be some overlap. The black turnstone has a variety of calls, especially a rattling trill which can be heard throughout