Synthesized answer
The provided passages do not contain specific details about the evidence Jared Diamond presents in "Guns, Germs, and Steel." They only state the title of the book and its author, Jared M. Diamond, along with its categorization as "Civilization" [1].
Therefore, it is not possible to answer what evidence the author provides based solely on the given text.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Guns, Germs, and Steel by Jared M. Diamond Categories: Civilization