Figure 3. Copulation duration in Cynopterus sphinx according to whether the female licks the male's penis (Licking) or not (No licking). Means and standard errors are shown. Vignette shows a female performing fellatio, drawn by Mei Wang. doi:10.1371/journal.pone.0007595.g003
Shocking silence on the interwebs on this one – or maybe I’m just not reading the right blogs?
Tan M, Jones G, Zhu G, Ye J, Hong T, et al. (2009) Fellatio by Fruit Bats Prolongs Copulation Time. PLoS ONE 4(10): e7595. doi:10.1371/journal.pone.0007595
Okay back to work.