Specimen No. 021 · Terrestrial Mammal
Llama penis size & anatomy
Lama glama
Reference measurement
Approx. 19.2 cm / 7.6 in
Published average
Study of 81 males aged 1–4 years reported mean penis length 19.18 ± 3.97 cm in live measurements.
Measurement source: Journal of the Selva Andina Animal Science (opens in a new tab)
Did you know?
A study of 81 male llamas reported an overall mean penis length of 19.18 cm.
Source: Journal of the Selva Andina Animal Science (opens in a new tab)
Penis length increased with age across the studied 1- to 4-year-old groups.
Source: Journal of the Selva Andina Animal Science (opens in a new tab)
The free portion of the penis averaged 13.05 cm in the same study.
Source: Journal of the Selva Andina Animal Science (opens in a new tab)