What is a species of grouse (Tetrao uragallus) of large size and fine flavor, found in northern Europe and formerly in Scotland; -- called also cock of the woods. [Written also capercaillie, capercaili.] called?

capercally — A species of grouse (Tetrao uragallus) of large size and fine flavor, found in northern Europe and formerly in Scotland; -- called also cock of the woods. [Written also capercaillie, capercaili.]. (Webster's 1913.)