i think the word cockroach is slightly older than the scientific method

What a magnificent bird, look at such majestic fawl. The males have wonderful tail featy, full of irridescent patters. We should name it after its most distinguished feature.

Its penis reminds me of a pea. I am writing it down as Peacock

Maybe there are no penis beetles, but at least there are penis worms https://en.wiktionary.org/wiki/penis_worm