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 Lord Sutch and the Savages Screaming Lord Sutch & the Savages (summer 1967) Screaming Lord Sutch & the Beautiful Quality (late 1967) Screaming Lord Sutch & the Savages (January – March 1970) Lord Sutch & Heavy Friends (spring – summer 1970) Screaming Lord Sutch & the Savages (summer 1972) Screaming Lord Sutch & the Savages (1974–1981) Screaming Lord Sutch & the Savages (1977) Screaming Lord Sutch & the Northern Savages (1978–1989) Screaming Lord Sutch & the Savages (1979–1983) Screaming Lord Sutch & the Savages (1981–1985) Screaming Lord Sutch & the Savages (1984–1985) Screaming Lord Sutch & the Helsinski Savages (Finland, mid-1988) Screaming Lord Sutch &