How Female-Female Competition Affects Male-Male Competition: Insights into Postcopulatory Sexual Selection from Socially Polyandrous Species

• Published in: The American naturalist Vol. 201; no. 3; p. 460
• Main Authors: Lipshutz, Sara E, Torneo, Samuel J, Rosvall, Kimberly A
• Format: Journal Article
• Language: English
• Published: United States 01.03.2023
• Subjects: Animals; Charadriiformes; Female; Male; Reproduction; Semen; Sex Characteristics; Sexual Selection; Spermatozoa; Jacanidae; paternity; sex role reversal; sperm competition; simultaneous polyandry; postcopulatory sexual selection

AbstractSexual selection is a major driver of trait variation, and the intensity of male competition for mating opportunities has been linked with sperm size across diverse taxa. Mating competition among females may also shape the evolution of sperm traits, but the effect of the interplay between fe...