| − | Homosexuality is a sexual orientation found in humans, [[bonobos]],<ref>Parker, Sue Taylor,Robert W. Mitchell, H. Lyn Miles (1999), ''The Mentalities of Gorillas and Orangutans: comparative perspectives.'' Cambridge University Press. [http://books.google.com/books?vid=ISBN0521580277&id=h4_VnW-HGAcC&pg=RA1-PA54&lpg=RA1-PA54&dq=bonobo+homosexual&sig=rdHH7YmjFiR7x5ONwt2e1EdfrBk p. 54]</ref> dolphins<sup>[[citation needed]]</sup> and other vertebrate species. In general, homosexuality is described as a sexual attraction towards a member of one's own gender. | + | Homosexuality is a sexual orientation found in humans, [[bonobos]],<ref>Parker, Sue Taylor,Robert W. Mitchell, H. Lyn Miles (1999), ''The Mentalities of Gorillas and Orangutans: comparative perspectives.'' Cambridge University Press. [http://books.google.com/books?vid=ISBN0521580277&id=h4_VnW-HGAcC&pg=RA1-PA54&lpg=RA1-PA54&dq=bonobo+homosexual&sig=rdHH7YmjFiR7x5ONwt2e1EdfrBk p. 54] |
| | + | </ref> dolphins<ref>Smith, Dinitia (2004), "Central Park Zoo's gay penguins ignite debate," ''The New York Times,'' |
| | + | Saturday, February 7, 2004, as published on the San Francisco Chronicle website[http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2004/02/07/MNG3N4RAV41.DTL]: "Bonobos, apes closely related to humans, are wildly energetic sexually. Studies show that whether observed in the wild or in captivity, nearly all are bisexual and nearly half their sexual interactions are with the same sex... 10 to 15 percent of female western gulls in some populations in the wild are homosexual... male and female bottlenose dolphins frequently engage in homosexual activity, both in captivity and in the wild"</ref> and other vertebrate species. In general, homosexuality is described as a sexual attraction towards a member of one's own gender. |