"Oh great, what is a beautiful grung... Hm, well, assuming that symetric features are an indication of healthy blood and successful procreation is what life is all about, we can assume strong muscle tonus and enough reserves to create spawn..."
The Red Horns drifted off in speculation while he pulled out a notepad and began writing, while looking at the grung outside, going about their business. He mumbled words like "Sexual dimorphism" and "Tadpole phase" while jotting down notes.
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Investigation check to get a good image of what a beautiful grung should look like
(1d20+7)[8]
That... doesn't bode well.