TURNSTONE

[turn.stone] n [fr. a habit of turning over stones to find food] (ca. 1674): either of two shorebirds (genus Arenaria) that resemble the related plovers and sandpipers: a: a bird (A. interpres) of worldwide distribution that has black and chestnut upperparts and a black breast b: a No. American bird (A. melanocephala) with black upperparts and breast