Punctuated equilibrium [1] is one of the predominant theories of evolution so it’s not at all far fetched. In that theory population bottlenecks are one of the

Punctuated equilibrium [1] is one of the predominant theories of evolution so it’s not at all far fetched. In that theory population bottlenecks are one of the main mechanisms of cladogenesis. [1] https://en.wikipedia.org/wiki/Punctuated_equilibrium https://en.wikipedia.org/wiki/Punctuated_equilibrium