Sage Grouse are a large species of grouse that live in North America. The species is also known as the Greater Sage Grouse. Adult males have yellow eye-patches and yellowish neck sacs that are inflated during courtship. Both sexes have pointed tails; the males use these during courtship as well. Courtship rituals take place in a lek where several males will display for the females, who observe and choose the most attractive for mating.
Bird Term: Sexual Dimorphism
Sexual dimorphism refers to observable differences between males and females of the same species. In basic terms, it means that a male of a species is easily distinguished from a female. In ... more
