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Hybrid speciation can happen, where the hybrids don't breed with the parent species but do with each other.

• bbcbasic 10y ago
  With mules?
  • maxerickson 10y ago
    I guess not really, but a search for "fertile mule" shows lots of resources discussing female mules giving birth. (which I think illustrates the complexity more than it does anything else)
  • roywiggins 10y ago
    No. Mostly plants. But, there are some interesting animal examples. https://en.wikipedia.org/wiki/Hybrid_speciation#Known_cases_of_hybrid_speciation https://en.wikipedia.org/wiki/Hybrid_speciation#Known_cases_...