Wild Gorillas Gone Wild

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i-c730a1c8594ea5016110ea79c8ac309b-GorillaCopulationImage.jpgThis is a photograph of wild western lowland gorillas copulating in, sort of, the missionary position. This shot was taken in the Nouabale-Ndoki National Park in the Republic of Congo.

The female gorilla in the photograph, nicknamed “Leah” by researchers, has twice made history. In 2005 Breuer and others observed her using tools–another never-before-seen behavior for her kind in the wild. Leah tested the depth of a pool of water with a stick before wading into it in Mbeli Bai, where researchers have been monitoring the gorilla population since 1995.”Understanding the behavior of our cousins, the great apes, sheds light on the evolution of behavioral traits in our own species and our ancestors,” said Breuer. “It is also interesting that this same adult female has been noted for innovative behaviors before.”Researchers say that few primates mate in a face-to-face position, known technically as ventro-ventral copulation. Instead, most primate species copulate in what’s known as the dorso-ventral position, with both animals facing in the same direction. Besides humans, only bonobos had been known to mate face-to-face. On a few occasions, mountain gorillas have been observed in this position, but never photographed. Western gorillas have only ever been observed mating face-to-face in captivity.”Our current knowledge of wild western gorillas is very limited, and this report provides information on various aspects of their sexual behavior,” added Breuer. “We can’t say how common this manner of mating is, but it has never been observed with western gorillas in the forest. It is fascinating to see similarities between gorilla and human sexual behavior.”The western lowland gorilla is listed as Critically Endangered as a result of illegal hunting, habitat destruction, and health threats such as the Ebola virus. Scientists estimate that the wild population has declined 60 percent in recent years. The Wildlife Conservation Society–the only organization working to protect all four gorilla subspecies–has been studying gorillas and other wildlife in the Republic of Congo since the 1980s. In 1993, WCS worked with the Congolese government to establish Nouabalé-Ndoki National Park.Breuer’s study received funding from the Brevard Zoo, Columbus Zoo and Aquarium, Cincinnati Zoo and Botanical Garden, Max Planck Society, Sea World & Busch Gardens Conservation Fund, Toronto Zoo, Wildlife Conservation Society, and Woodland Park Zoo.

Source: Wildlife Conservation Society

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5 thoughts on “Wild Gorillas Gone Wild

  1. *ahem* Orang-utans also have quite a wide variety of sexual positions, including face-to-face; in the case of orang-utans, however, the ventro-ventral position was usually associated with forcible rape of the female by an unflanged male. This is well documented in various Yerkes literature and in the book The Neglected Ape.They needed to fact-check better.

  2. the Vatsyayana is of the opinion that this is actually the embrace “like a mixture of milk and water…”, in the position of the cobrahttp://classic.fhm.com.au/kamasutra/positions.phpbut that it likely evolved into a variant of Kama’s wheel, or Bhramarahttp://kamasutrafree.stores.yahoo.net/kamwheellegs.html

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