This article analyzes the continuous presence of Darwinian elements in Gabriel García Márquez's works. For example, how the writer reduces and at the same time expands his pertinence. Almarza reflects on Gabriel García Márquez's texts, characters who live in the sun, humidity, rain and sea. The rain, the heat, and the humidity come to be the omnipresent element in his texts. It is a genetic mark; for Dostoyevsky this mark was the weight of individual conscience and for Balzac it is money or the inheritance of the characters, but for Gabriel García Márquez the genetic mark is the climatic presence of the Caribbean in his narrative creatures.