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
Musical Evenings in St Donatus Musical Evenings in St Donatus Musical evenings in St Donatus () in Zadar, Croatia is an international music festival, it has been held since 1960 at St Donatus Church and at other historical locations of the city of Zadar. Performing are renowned musicians from Croatia and abroad. The manifestation is concentrated exclusively on classical music. Since the initial idea of Zadar’s conductor Pavle Dešpalj and its realization 46 festival years have already passed, making the Musical Evenings in St Donatus one of the oldest Croatian festivals. Its quality as well as the ingenuity and concept of its programmes keep refreshing