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 for Vengeance track "Jesse James" on the album "The Diary" 30th Anniversary Edition Live DVD !scope="row"| Worldwide sales: Screaming for Vengeance Screaming for Vengeance is the eighth studio album by British heavy metal band Judas Priest. The album, considered the band's commercial breakthrough, sold in excess of 5 million units worldwide and has been certified double platinum in the United States of America as well as platinum in Canada. The album includes the hit single "You've Got Another Thing Comin'", which became one of the band's signature songs and a perennial radio favourite. "Screaming for Vengeance" was recorded at Ibiza Sound Studios,