Whether they have any extant function or not, they have lost their former function and in that sense they do fit the definition of vestigiality. Vestigial structures are often called vestigial organs, although many of them are not actually organs.
There are quite a few birds famous for doing ritualized mating dances, so I would only list 5: The Red Capped Manakin, The Black-footed albatross, The Western and Clark's grebe, The Superb bird of Paradise, & The Victoria's riflebird.
Hi!! it is a female swan that is a pe he male is called a cob. For most other birds the female is a hen and the male a **** birdd. The most beautiful displaying bird in the spring is a peacock, and his mate is a peahen. octogen Â· 5 years ago. Thumbs up. 1. Thumbs down. female bird of most species is called a hen A male bird of most species is called a ****. Blue Rose Thorn Â· 5 years ago. Thumbs up. 1. Thumbs down. 0. Comment. Add a comment. Submit.