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
Last Evenings on Earth goes on a strange car-ride with the director of the writing program. a Chilean father and his son vacation in Acapulco and visit a whorehouse bar, where they get into a fight. Giles Harvey named this story, along with the title story of "The Return", as "the greatest things Bolaño ever wrote". The narrator returns from Mexico to Chile in 1973 "to help build socialism;" he is arrested during a road check and imprisoned for being a "Mexican terrorist" but released a few days later thanks to a pair of former classmates who had become police detectives. Last Evenings on