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
Carry On Screaming! Carry On Screaming! Carry On Screaming is a British Comedy and the twelfth film in the series of "Carry On" films to be made and was released in 1966. It was the last of the series to be made by Anglo-Amalgamated before the series moved to The Rank Organisation. Of the regular cast, it features Kenneth Williams, Jim Dale, Charles Hawtrey, Joan Sims, Bernard Bresslaw and Peter Butterworth. It also features Harry H. Corbett in his only series appearance and Fenella Fielding making her second and final appearance. Angela Douglas makes the second of her four "Carry On" appearances. "Carry