The term “grouse” appears with striking versatility in literature, functioning both as a literal reference to a game bird and as a metaphorical or nominal device. In works such as Tolstoy’s narrative, the bird’s natural call and flight are vividly rendered to evoke both the wildness of nature and a sense of melancholy movement ([1], [2], [3]), while in Disraeli’s writing the name “Captain Grouse” is attributed to characters whose personalities mix humor with martial resolve ([4], [5], [6], [7]). Moreover, the grouse figures in myth and lore—its voice and role in hunting and feasting become emblematic of cultural habits and regional identities ([8], [9], [10], [11])—and even extends to natural history and descriptive passages, where its physical attributes are often compared with those of related birds ([12], [13], [14]).