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An Evolutionary Perspective. This page was last edited on 14 Juneat A similar behavior was also observed in the common bent-wing bat Miniopterus schreibersii. When and where to go in Africa, and with whom. Pygmy Chimpanzee Behavior and Ecology.

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Homosexuality abounds in nature too.

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Sexual behavior of lions. Not all necking encounters result in attempted or successful mounting, but in many cases, the necking males spar with erect unsheathed penises. Hochuli; 22 March "Traumatic insemination in the plant bug genus Coridromius Signoret Heteroptera:

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Sexual selection Sexual reproduction evolution reproductive system Courtship display sexual ornamentation handicap principle sexy son hypothesis Fisherian runaway Mating systems mate choice mating call mating plug lek mating Copulation cloacal kiss sexual intercourse pseudocopulation Fertilisation internal external sperm competition traumatic insemination penile spines Modes monogamy promiscuity polyandry polygyny polygynandry semelparity and iteroparity opportunistic hermaphroditism cuckoldry seasonal synchrony Sexual dimorphism anisogamy oogamy Bateman's principle bimaturism cannibalism coercion Sexual conflict interlocus intralocus Interspecies breeding Non-reproductive behavior Fisher's principle.

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