Flamingos turn pink from eating shrimp because of the beta-carotene content in the shrimp.
Flamingos that don't eat shrimp are white and not pink. Beta-carotene is also in carrots. The Flamingo Hotel in Las Vegas was started by LA restaurateur and gambler Billy Wilkerson, not Bugsy Siegel as many people erroneously believe. The Flamingo, after his girlfriend, showgirl Virginia Hill. There are more plastic flamingos in America than real ones.