Specimen No. 027 · Bird
Pati Duck penis size & anatomy
Anas platyrhynchos domesticus
Reference measurement
Approx. 21.1 mm / 0.83 in
Published average
40-week birds averaged 21.10 ± 2.26 mm in a post-natal anatomical study.
Measurement source: Krishikosh / veterinary anatomy thesis (opens in a new tab)
Did you know?
At 40 weeks, the studied Pati ducks averaged about 21.1 mm in phallus length.
Source: Krishikosh (opens in a new tab)
The phallus was described as thick at the base with a tapering, coiled end.
Source: Krishikosh (opens in a new tab)
Across waterfowl, phallus lengths can vary enormously among species.
Source: PLOS ONE (opens in a new tab)