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.
By virtue of their melancholy call, mourning doves have been fittingly named. Their distinctive âwooo-oo-oo-ooâ sounds may evoke a feeling of grief over the loss of a dearly beloved. But far from representing death, the symbolism of mourning doves gives us optimism with its spirituality.Beyond their sorrowful song is a message of life, hope, renewal and peace. This beautiful bird (Zenaidura macroura) is the most common species of dove found in North America.Because they are plentiful, they are considered the most popular bird game â hunted both for meat and sport. A dove is in fact a small pigeon.his beautiful bird (Zenaidura macroura) is the most common species of dove found in North America. Because they are plentiful, they are considered the most popular bird game â hunted both for meat and sport. A dove is in fact a small pigeon.