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It’s pretty rare on earth too, 10 million species but only 1 has space flight and the others aren’t anywhere close to developing it!
by rel2thr 5y ago
It’s pretty rare on earth too, 10 million species but only 1 has space flight and the others aren’t anywhere close to developing it!
- GoblinSlayer 5y agoWe had neanderthals.
- ncmncm 5y agoAnd Denisovans, and still have raccoons. The raccoons shouldn't need more than another 10My.