Why do these salamanders get their own powerpoint in every biology class? What is a ring species, and what if the animals between us and chimps were still alive? Come learn about one of the most theoretically important creatures on earth on this episode of Species. Bibliography: https://docs.google.com/document/d/1KXT7pHVzxkAtr1JXtAwgW-WeXXqdkwCxvS8YTcvwqvU/edit?usp=sharing Here is my affiliate link for my new audio course, "Human Evolution," first episode is free: https://frstre.com/go/?a=95595-7e38d9&s=1771291-5cf1d5&p_affiliate.referral_code=mackenmurphy I get 30% of your subscription if you subscribe through this link, your support is greatly appreciated! Also, you get 30% off when you sign up online and use the promo code: mackenmurphy