Common swift that resemble a crescent or a boomerang. Their call is a loud scream in two different tone pitches, the higher of which issues from the female. They often form 'screaming parties' during summer evenings, when 10–20 swifts will gather in flight around their nesting area, calling out and being answered by nesting swifts. Larger "screaming parties" are formed at higher altitudes, especially late in the breeding season. The purpose of these parties is uncertain, but may include ascending to sleep on the wing, while still breeding adults tend to spend the night in the nest. Swifts may nest in former
Screaming Trees was the fourth full-length album by Screaming Trees and their last for SST Records. In 1990 the band had signed a major-label contract with Epic Records. In 1991, the band released their fifth album, and first for a major label, "Uncle Anesthesia". The album was produced by Soundgarden vocalist Chris Cornell and included the single "Bed of Roses", which gained considerable airtime on alternative rock radio stations and peaked at # 23 on the modern rock tracks. The single was the first Screaming Trees release to chart. Although "Uncle Anesthesia" sold better than their previous efforts, the band remained a