Laboratory mouse (Mus musculus; CD-1) from Laryngeal airway reconstruction indicates that rodent ultrasonic vocalizations are produced by an edge-tone mechanism.

The movies show the reconstructed larynx of four rodent species in 3-D. Initially, all cartilages and the airway are shown. Then, the main cartilages disappear and only the airway and the alar cartilage remain. In all four species, the cartilaginous fra...