SWIFT (Heb. סִיס, sis), a bird of the genus Apus of which three species are found in Israel, the most common being Apus apus pekinensis, a small black bird similar to the swallow.
Large flights of swifts reach Israel at the end of February and frequent the populated places where their food – flies and mosquitoes – is to be found, filling the air with their cry
Sources: Encyclopaedia Judaica. © 2008 The Gale Group. All Rights Reserved.