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They were offered companionship of female penguins, they refused it. According to the chief keeper of the penguins Rob Gramzay, once both of them were so desperate to incubate an [[egg]] together that they used a rock as an egg and sat on it. In this way they the rock warm in the folds of their abdomen. After Gramzay gave them an egg, they incubated it and a chick named Tango was born. They also helped raising Tango.<ref name=CPZGPID/>

They were offered companionship of female penguins, they refused it. According to the chief keeper of the penguins Rob Gramzay, once both of them were so desperate to incubate an [[egg]] together that they used a rock as an egg and sat on it. In this way they the rock warm in the folds of their abdomen. After Gramzay gave them an egg, they incubated it and a chick named Tango was born. They also helped raising Tango.<ref name=CPZGPID/>

The above does not prove that gay behavior is also natural for humans.  None the less it raises the probability that gay behaviour is natural for us as well.  [http://www.conservapedia.com/index.php?title=Bonobo&oldid=568792 Bonobos] also show male on male and female on female sexual behavior.  Bonobos are the closest living relatives of humans. This bonobo behavior certainly increases the probability that gay sex can be natural for us.  

The above does not prove that gay behavior is also natural for humans.  None the less it raises the probability that gay behaviour is natural for us as well.  [http://www.conservapedia.com/index.php?title=Bonobo&oldid=568792 Bonobos] also show male on male and female on female sexual behavior.  Bonobos are the closest living relatives of humans. This bonobo behavior certainly increases the probability that gay sex can be natural for us. Some have accused zoologists of politicizing the subject of homosexuality in animals.<ref>[http://news.nationalgeographic.com/news/2004/07/0722_040722_gayanimal_2.html]</ref>

==References==

==References==