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
Blue Bird Mini Bird P30 step-van chassis and was initially available only with a gasoline engine. In the 1980s, diesel engines (the Chevrolet 6.2L) became an option. In the 1990s, the 6.2L diesel V8 was replaced with a more powerful 6.5L diesel. Unlike other models in the Blue Bird lineup, the Mini Bird was not assembled in Fort Valley, Georgia. Assembly of the Mini Bird took place in Buena Vista, Virginia (Blue Bird East; which closed in 1992) and in Mount Pleasant, Iowa (Blue Bird Midwest, which closed in 2002). Blue Bird Mini Bird The Blue Bird Mini Bird was a Type B school