Lesser scaup duller and have hardly any white at the bill base. Both sexes have white secondary remiges, a blue-grey bill with a black "nail" at the tip and grey feet; the drakes have a bright yellow iris, while that of females is orange or amber and that of immatures is brown. Downy hatchlings look much like those of related species, with dark brown upperparts and pale buff underparts, chin, supercilium and back spots. These birds are not very vocal, at least compared to dabbling ducks. Hens give the namesake discordant "scaup, scaup" call; in courtship drakes produce weak whistles. Hens vocalize
The Golden Bird mythical beasts, a Sultan's game of hide-and-seek and his marriage with the Sultan's beautiful daughter. The Golden Bird "The Golden Bird" is a Brothers Grimm fairy tale, number 57, about the pursuit of a golden bird by a gardener's three sons. A French version, collected by Paul Sébillot in "Littérature orale de la Haute-Bretagne", is called "Le Merle d'or" (The Golden Blackbird). Andrew Lang included that variant in "The Green Fairy Book" (1892). It is Aarne-Thompson folktale type 550, "The Golden Bird", a Supernatural Helper. Other tales of this type include "The Bird 'Grip'", "The Greek Princess and the Young