Specimen No. 030 · Bat
Natterer's Bat penis size & anatomy
Myotis nattereri
Reference measurement
Approx. 9.7 mm / 0.38 in
Published average
Study of erected penises: mean 9.680 mm, range 8.270–10.850 mm.
Measurement source: PMC / Biological Journal of the Linnean Society (opens in a new tab)
Did you know?
Natterer's bats in one study averaged about 9.7 mm in erect penis length.
Source: PMC (opens in a new tab)
The average penis head width in the measured sample was about 3.4 mm.
Source: PMC (opens in a new tab)
Actual erect penis measurements are relatively rare in mammal comparative studies.
Source: PMC (opens in a new tab)