First, you have to discriminate between two different aspects of homosexuality. One is what people (or animals) are, and the other is what people (or animals) do. Do you define homosexuality as a pattern of behaviors, or an internal desire for the same sex. For instance, prisoners who rape other prisoners of the same sex are not usually considered fully homosexual by many people because when they are free, they prefer to have sex with women. So, if we see that animals have sex with other animals of the same sex, we cannot be sure if they are truly homosexual or they just happen to engage in homosexual acts. Also, humans are one of the three or so animal species that sometimes have sex without the intent of reproduction. For animals that only have sex for reproduction, sexuality is irrelevant because they are just humpin to make babies.
|