Homosexuality in animal behaviour
Animal Homosexuality: A Biosocial Perspective
Homosexuality is an evolutionary paradox in find for a resolution, not a medical condition in search for a cure. Homosexual behavior is common among social animals, and mainly expressed within the context of a bisexual sexual orientation. Exclusive homosexuality is less ordinary, but not unique to humans. Poiani and Dixson invite the reader to embark on a journey through the evolutionary, hereditary, psychological and sociological aspects of homosexuality, seeking an understanding of both the proximate and evolutionary causes of homosexual behavior and orientation in humans, other mammals and birds. The authors also provide a synthesis of what we know about homosexuality into a biosocial model that links recent advances in reproductive skew theory and various selection mechanisms to produce a comprehensive framework that will be useful for anyone teaching or planning future research in this field.
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Homosexual behavior is much more common across the animal kingdom than we first thought, new research has found.
Scientists found that 78 percent of animal action experts had seen some degree of same-sex sexual behavior in animals during their research, according to a study published in the journal PLOS ONE.
Previous research has established that homosexuality has been observed in over 1, species of animals from all walks of life, ranging from tiny insects to other primates.
"Same-sex sexual behaviour (SSSB) occurs in most animal clades and is defined as the behave of engaging in sexual behaviours, such as mounting, intromission, and genital-oral or manual-genital contact with members of the same sex," the researchers wrote in the new paper.
"SSSB has been a focus of study in some primate and ungulate species (e.g., in deer (Cervus spp.); American bison (Bison bison); Japanese macaques (Macaca fuscata)) yet has remained a low research priority in the field of evolutionary biology."
In the paper, the researchers describe how they surveyed 65 animal action experts who had ob
New Science on Gay Behavior in Wildlife
In honor of Identity festival Month, we are taking the opportunity to look at same-sex sexual relationships in wildlife—from sea stars and birds, to monkeys and apes. Thanks to a cultural change toward inclusivity over the last several decades, there has never been a better time to celebrate diversity in all its forms.
Scientists have long established that animals hire in sexual deed with individuals of the same sex. In fact, such same-sex sexual conduct had been documented in wildlife as early as the s. However, scientific inquiry into such behaviors didn’t unfold until relatively recently due to historically pervasive, negative attitudes towards homosexuality in humans.
Some years later, these research taboos are slowly breaking down. Over the years, scientists include discovered more than 1, species of wildlife that participate in some develop of same-sex sexual behavior. These behaviors are found in all major groups of animals, including birds, reptiles, fish, arthropods, mollusks, and of course, mammals—including humans. But where do such behaviors ev
Scientists explore the evolution of animal homosexuality
Imperial researchers are using a new approach to understand why homosexual behaviour is so usual across the animal kingdom.
Read this article in our new Imperial Stories immersive digital storytelling platform!
In , a team of scientists set off on the Terra Nova Expedition to explore Antarctica. Among them was George Murray Levick, a zoologist and photographer who would be the first researcher to explore the world's largest Adélie penguin colony. He chronicled the animals' daily activities in great detail.
In his notebooks, he described their sexual behaviour, including sex between male birds. However, none of these notes would appear in Levick's published papers. Concerned by the graphic content, he only printed copies of Sexual Habits of the Adélie Penguin to circulate privately. The last remaining copy was recently unearthed providing valuable insights into animal homosexuality research.
But forays into animal homosexuality study long predate Levick, with observations published as far back as the s