A classic lawn ornament or kitsch? Whatever your opinion of these plastic pals is, they are one of the most popular lawn decoration and have turned into a symbol of pop culture. Authentic lawn flamingos have a yellow beak with a black tip and are always sold in pairs. You can find Don Featherstone's signature under their tails. The statistics show that in the U.S.A., plastic lawn flamingos outnumber real flamingos.