Specimen No. 029 · Bat
Barbastelle Bat penis size & anatomy
Barbastella barbastellus
Reference measurement
Approx. 8 mm / 0.31 in
Published average
Study of erected penises: mean 8.020 mm, range 6.800–9.430 mm.
Measurement source: PMC / Biological Journal of the Linnean Society (opens in a new tab)
Did you know?
Measured erect penis length averaged just over 8 mm in the studied barbastelle bats.
Source: PMC (opens in a new tab)
Researchers measured both erect penis length and head width in living bats.
Source: PMC (opens in a new tab)
The study investigated whether genital dimensions were related to sperm performance.
Source: PMC (opens in a new tab)