Don't piss off the chimpanzees. Really. They'll chew your **lls and face off.
Birds do it, bees do it... homosexual attachment and lovemaking are widespread in the animal kingdom, say biologists like Bruce Bagemihl, author of "Biological Exuberance." [For a longer, better-edited version of the same article, go here, but NYT reg. required.] Not everyone agrees, particularly those apt to quote the Bible to justify claims of a "natural revulsion to perverse sex."