Trumpeter swan which is apparent even when the swan is not standing or swimming upright) and larger, wedge-shaped bill as compared to the tundra swan. Trumpeter swans have similar calls to whooper swans and Bewick's swans. They are loud and somewhat musical creatures, with their cry sounding similar to a trumpet, which gave the bird its name. Beginning in 1968, repeated in 1975, and then conducted at 5-year intervals, a cooperative pan-continental survey of trumpeter swans was last conducted in 2015. The survey assesses trumpeter swan abundance and productivity throughout the entire breeding ranges of the three recognized North American populations: the
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