Hitchcock decided to do without any conventional incidental score. Instead, he made use of sound effects and sparse source music in counterpoint to calculated silences.
The director commissioned Sala and Remi Gassmann to design an electronic soundtrack. They are credited with "electronic sound production and composition", and Hitchcock's previous musical collaborator Bernard Herrmann is credited as "sound consultant".
Source music includes the first of Claude Debussy's Deux arabesques, which Tippi Hedren's character plays on piano, and "Risseldy Rosseldy", an Americanized version of the Scottish folk song "Wee Cooper O'Fife", which is sung by the schoolchildren.
The special effects shots of the attacking birds were done at Walt Disney Studios and used the sodium vapor process ("yellow screen") The SV process films the subject against a screen lit with narrow-spectrum sodium vapor lights. Unlike most compositing processes, SVP actually shoots two separate elements of the footage simultaneously using a beam-splitter. One reel is regular film stock and the other a film stock with emulsion sensitive only to the sodium vapor wavelength. This results in very precise matte shots compared to blue screen special effects.