turnstone

== English == === Etymology === From turn +‎ stone. === Noun === turnstone (plural turnstones) Either of two species of coastal wading bird, Arenaria interpres and Arenaria melanocephala, that breed in the Arctic and readily turn stones or seaweed looking for hidden invertebrates. ==== Derived terms ==== black turnstone (Arenaria melanocephala) ruddy turnstone (Arenaria interpres) ==== Translations ==== === References === turnstone on Wikipedia.Wikipedia Arenaria on Wikispecies.Wikispecies Category:Arenaria on Wikimedia Commons.Wikimedia Commons