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! On Screaming" is a parody of the Hammer horror films, which were also popular at the time. The film opens in Edwardian times in Hocombe Woods, where Doris Mann (Angela Douglas) and Albert Potter (Jim Dale) are courting. When Albert searches the woods for a Peeping Tom, Doris is abducted by a monster named Oddbod (Tom Clegg), which leaves a finger behind. Albert, finding the finger, rushes to the police station and reports the matter to Detective Constable Slobotham (Peter Butterworth), who in turn tells his superior, the henpecked Detective Sergeant Sidney Bung (Harry H. Corbett), who has been investigating