Darwin's ideas on sexual selection were met with scepticism by his contemporaries and not considered of great importance in the early 20th century, until in the 1930s biologists decided to include sexual selection as a mode of natural selection.
As ideas de Darwin sobre a selección sexual foron acollidas con escepticismo polos seus contemporáneos e non consideradas de gran importancia no século XX como para que os biólogos da década de 1930 decidisen incluír a selección sexual como un modo de selección natural.