“There actually sticking their penises in each othr quite randomly.” Invertebrate reproduction or one crazy night in Vegas?? You decide! Hat tip to @echinoblog.
View More TGIF – Flatworm Fu… er… Mating.Tag: penis fencing
Introduction to Sex Week
This is the official introduction to Sex Week at DSN. We here at DSN never shy away from writing about sex. Through reproduction, fitness is…
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