Ma'anar ƙamus na "blackcock" yana nufin tsuntsu namiji na dangin grouse, wanda aka sani da launin baki mai sheki da jajayen alama mai kama da gira a saman idanunsa. Sunan kimiyya na wannan tsuntsu shine Tetrao tetrix, kuma asalinsa ne a arewaci da gabashin Turai da kuma sassan Asiya. A wasu yankuna, ana iya amfani da kalmar "blackcock" azaman kalmar lallausan zakara mai launin baki ko duhu.