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.
Confidence votes 455. Hummingbirds, called new world birds cause they are native to North America, Central and South America, are considered to be symbols of peace, love and happiness, moreover, ancient pagans held them sacred for their tireless energy and anxiety. hummingbird has powerful symbolism. It is a symbol of love and joy. For many undergoing a hard time, it is a symbol of opening up the heart again. For the Aztecs, it was a s â¦ ymbol of courage and bravery.