Sperm Competition Games: Sneaks and Extra-Pair Copulations

• Published in: Proceedings of the Royal Society. B, Biological sciences Vol. 242; no. 1304; pp. 127 - 133
• Main Author: Parker, Geoffrey Alan
• Format: Journal Article
• Language: English
• Published: London The Royal Society 22.11.1990
• Subjects: Birds; Ejaculation; Fertilization; Male animals; Marginal costs; Mating behavior; Opportunistic behavior; Raffles; Sperm competition; Spermatozoa

This paper examines ejaculation strategies for cases when an opportunist male ‘steals’ a mating with the female of a paired male. This is an evolutionary game of competitive ejaculation in which two (or more) males mate with the same female. Prospective evolutionarily stable strategy (ESS) models ar...