Definition
*Lyrurus tetrix* is the scientific name for the black grouse, a species of bird found across Eurasia. Males are recognizable by their black plumage and lyre-shaped tails, which they display during mating rituals. Females (greyhens) are mottled brown. Think of this as their official ID in the bird world. They are a key species in many moorland ecosystems. This binomial name is universal in scientific communication.