What are these things and what are they doing?

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image showing What are these things and what are they doing?

senor_zero on November 9th, 2018 at 16:26 UTC »

They're European red slugs. And they're doing it.

alangerhans on November 9th, 2018 at 16:26 UTC »

They are red slugs, and they'd probably like some privacy. They're mating

moish on November 9th, 2018 at 17:07 UTC »

Slug sex baybay!