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Matt & Andrej Koymasky
Published on           
July 31st, 2010

Homosexual behavior in animals
(and they say that homosexuality is "Against nature"!)

pride dogHomosexual, as well as bisexual, behavior is widespread in the animal kingdom. Animal sexual behavior takes many different forms, even within the same species and the motivations for and implications of their behaviors have yet to be fully understood as most species have yet to be studied. A 1999 review by researcher Bruce Bagemihl shows that homosexual behavior, not necessarily sex, has been observed in close to 1500 species, ranging from primates to gut worms, and is well documented for 500 of them.

The naturalness of homosexuality in non-human animals is opposed by conservative religious groups because it points to the naturalness of homosexuality in humans. But it is now clear that copulation could also be used for alliance and protection among animals of the same sex. In situations when a species is mostly bisexual, homosexual relationships allow an animal to join a pack.

In wild animals, researchers will as a rule not be able to map the entire life of an individual, and must infer from frequency of single observations of behaviour. The correct usage of the term homosexual is that an animal exhibits homosexual behaviour, however this article conforms to the usage by modern research applying the term homosexuality to all sexual behaviour (copulation, genital stimulation, mating games and sexual display behaviour) between animals of the same sex. In most instances, it is presumed that the homosexual behaviour is but part of the animals overall sexual behavioural repertoire, making the animal "bisexual" rather than "homosexual" as the terms are commonly understood in humans, but cases of clear homosexual preference and exclusive homosexual pairs are known.

No species has been found in which homosexual behaviour has not been shown to exist, with the exception of species that never have sex at all, such as sea urchins and aphis. Moreover, a part of the animal kingdom is hermaphroditic, truly bisexual. For them, homosexuality is not an issue. "In bonobos for instance, strict heterosexual individuals would not be able to make friends in the flock and thus never be able to breed," Bockman told LiveScience. "In some bird species that bond for life, homosexual pairs raise young. If they are females, a male may fertilize their eggs. If they are males, a solitary female may mate with them and deposit her eggs in their nest."

Some researchers believe it to have its origin in male social organization and social dominance, similar to the dominance traits shown in prison sexuality. Others, particularly Joan Roughgarden, Bruce Bagemihl, Thierry Lodé and Paul Vasey suggest the social function of sex (both homosexual and heterosexual) is not necessarily connected to dominance, but serves to strengthen alliances and social ties within a flock. Others have argued that social organization theory is inadequate because it cannot account for some homosexual behaviors, for example, penguin species where same-sex individuals mate for life and refuse to pair with females when given the chance. Homosexuality is a social phenomenon and is most widespread among animals with a complex herd life.

A first-ever museum display, "Against Nature?", which opened October 2006 at the University of Oslo's Natural History Museum in Norway, presents 51 species of animals exhibiting homosexuality. The argument that a homosexual way of living cannot be accepted because it is against the "laws of nature" can now be rejected scientifically, said Geir Soli, project leader for the exhibition. "A main target for this project was to get museums involved in current debate; to show that museums are more than just a gallery for the past." Geir Soeli also said: "Homosexuality has been observed for more than 1500 animal species, and is well documented for 500 of them."

Also masturbation is common in the animal kingdom.
"Masturbation is the simplest method of self pleasure. We have a Darwinist mentality that all animals only have sex to procreate. But there are plenty of animals who will masturbate when they have nothing better to do. Masturbation has been observed among primates, deer, killer whales and penguins, and we're talking about both males and females. They rub themselves against stones and roots. Orangutans are especially inventive. They make dildos of wood and bark," says Petter Boeckman of the Norwegian Natural History Museum.

Sources: Wikipedia, the free encyclopedia - Mitch Reardon of - - James Owen for National Geographic News - Alister Doyle of Reuters

List of animals displaying homosexual behavior
(click on the underlined names to see the image and comment)

African Elephant
American Bison
Brown Bear
Panda Bears
Spotted Hyena
Chicken (Domestic)
Common Gull
Arctic Grayling
Amazon molly
Blackstripe topminnow
Bluegill Sunfish
European Bitterling
Green swordtail
Guiana leaffish
Houting Whitefish
Jewel Fish
Least Darter
Mouthbreeding Fish
Southern platyfish
Bearded Dragon
Broad-headed Skink
Checkered Whiptail Lizard
Chihuahuan Spotted Whiptail Lizard
Common Ameiva
Common Garter Snake
Cuban Green Anole
Desert Grassland Whiptail Lizard
Desert Tortoise
Fence Lizard
Five-lined Skink
Gopher (Pine) Snake
Green Anole
Inagua Curlytail Lizard
Jamaican Giant Anole
Laredo Striped Whiptail Lizard
Largehead Anole
Mourning Gecko
Plateau Striped Whiptail Lizard
Red Diamond Rattlesnake
Red-tailed Skink
Side-blotched Lizard
Speckled Rattlesnake
Water Moccasin
Western rattlesnake (Crotalus viridis)
Western Banded Gecko
Whiptail Lizard
Wood Turtle
Appalachian Woodland Salamander
Black-spotted Frog
Mountain Dusky Salamander
Tengger Desert Toad
Acanthocephalan Worms
Alfalfa Weevil
Australian Parasitic Wasp
Bean weevil
Bedbug and other Bug
Blister Beetle
Blood-flukes (Schistosoma)
Box Crab
Broadwinged Damselfly
Cabbage (Small) White (Butterfly)
Checkerspot Butterfly
Citrus Root Weevil
Clubtail Dragonfly
Creeping Water Bug
Digger Bee
Eastern Giant Ichneumon (wasp)
Eucalyptus Longhorned Borer
Field cricket
Flour beetle
Fruit Fly
Glasswing Butterfly
Grape Berry Moth
Grape Borer
Green Lacewing
Harvest Spider sp.
Hawaiian Orb-Weaver (spider)
Hen Flea
House Fly
Ichneumon wasp
Incirrate Octopus
Japanese Scarab Beetle
Jumping spider
Larch Bud Moth
Large Milkweed Bug
Large White (Pieris brassicae)
Long-legged Fly
Mazarine Blue
Mediterranean Fruit Fly
Mexican White
Migratory locust
Monarch Butterfly
Narrow-winged Damselfly
Parsnip Leaf Miner
Pomace fly
Queen Butterfly
Red Ant
Red Flour Beetle
Reindeer Warble Fly (Hypoderma tarandi)
Rose Chafer
Rove Beetle
Scarab Beetle (Melolonthine)
Screwworm Fly
Silkworm Moth
Sociable Weaver
Southeastern Blueberry Bee
Southern Green Stink Bug
Southern Masked Chafer
Southern One-Year Canegrub
Spreadwinged Damselfly
Spruce Budworm Moth
Stable Fly
Stag Beetle
Tsetse Fly
Water Boatman Bug
Water Strider
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