Head and Neck of Singing Fruit Bat Small 320×310 Medium 640×621 Large 1024×993 Download Tiff Original 2400×2328 | (865.6 KB) Description Epomophorus franqueti. Males have two large pharyngeal sacs and an enlarged larynx that enables them to make a high-pitched sound. Keywords epomophorus franqueti, franqueti's epauletted bat, head, neck, singing fruit bat Galleries Bats, Mammal Anatomy: External Details Source: Encyclopaedia Britannica (11th ed., vol. 6) (New York, NY: The Encyclopaedia Britannica Company, 1910)