Lesser scaup by similar-looking "Aythya" hybrids. Except for hybrids between the two scaup species, the most reliable mark is the black bill-tip of hybrids, whereas in the scaups only the very point ("nail") of the bill is black. This is even recognizable at considerable range, as the scaups' bills appear uniformly grey from a distance, whereas those of hybrids look two-colored. European hybrids typically involve the tufted duck ("A. fuligula"), yielding offspring that have a small nape crest unlike any European "Aythya" species. Female and immature hybrids typically lack the white bill base, except in those between lesser scaup and ring-necked duck,
Blue Bird Mini Bird Blue Bird Mini Bird The Blue Bird Mini Bird was a Type B school bus built by Blue Bird Corporation, introduced in 1977. It was dropped in the early 2000s as market tastes shifted away from Type B school buses. In 1977, Blue Bird introduced the Mini Bird as a Type B school bus. It was designed with a maximum capacity of 38 students, higher than the Type A cutaway vans of the time. In the manner of larger Type C and Type D buses, the Mini Bird was designed with a 96" (243 cm) wide body and 77" (195