California salamander is ‘an evolutionist’s dream’.

It is one of only two species that broadly lives up to the “ring species” concept: the ensatina is considered to be a single species, but is characterized by a chain of interconnected populations around California’s Central Valley that can look strikingly different. While the intermediate populations can interbreed, the forms at the southern ends of the loop are so different that they can no longer mate successfully everywhere they meet.

https://news.mongabay.com/2019/03/super-variable-california-salamander-is-an-evolutionists-dream/

Anotado por biohexx1 biohexx1, marzo 19, martes 00:06

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