Table 1 Primate species used in the study, including specimen sex, body size (from anatomical measurements), vocal fold length (estimated from CT-scan measurements) and minfo values (from excised larynx experiments); epiglottis position when minfo was obtained is also indicated for each species.
Family | Species | Common name | Sex | Body length (cm) | VFL (mm) | Minfo (Hz) | Epiglottis position |
|---|---|---|---|---|---|---|---|
Atelidae | Alouatta caraya | Black howler | F | 57 | 57.76 | 35.61 | Covering |
Atelidae | Alouatta sara | Bolivian red howler | M | 65.5 | 64.40 | 27.61 | Retracted |
Atelidae | Ateles fusciceps | Black-headed spider monkey | M | 53.5 | 20.36 | 81.47 | Covering |
Hominidae | Gorilla gorilla | Western gorilla | F | 94 | 35.40 | 27.44 | Retracted |
Cercopithecidae | Macaca fuscata | Japanese macaque | F | 72.6 | 17.15 | 91.49 | Covering |
Cercopithecidae | Macaca silenus | Lion-tailed macaque | F | 53 | 15.70 | 123.81 | Retracted |
Cercopithecidae | Macaca sylvanus | Barbary macaque | F | 59 | 14.87 | 185.85 | Covering |
Hominidae | Pan troglodytes | Chimpanzee | F | 98 | 38.25 | 88.32 | Retracted |
Cercopithecidae | Papio hamadryas | Hamadryas baboon | M | 78 | 25.05 | 106.98 | Covering |
Cebidae | Saimiri sciureus | Common squirrel monkey | M | 30 | 7.46 | 658.48 | Covering |
Lemuridae | Varecia variegata | Black-and-white ruffed lemur | F | 50 | 17.86 | 161.37 | Retracted |
