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.
I have read elsewhere that the Raven and the Beaver are very common on totem poles and the majority of totem poles are topped by a bird: raven, eagle, or thunderbird.Thunderbird: Thunderbird is the most powerful supernatural creature. He lived in the mountains and fed on whales.olf: The wolf is a symbol of strength in the family and the kinship associated with it. It is known to have the strength and loyalty in all relationships, and is a great team player with effort on behalf of all in the community. Salmon: Is known as the provider of life, he is a symbol of abundance of prosperity.