Elephants

[gp0560]

I just found this under Elephant in Wikipedia. It was news to me and will perhaps be news to you, too. (Emphasis added.)

 

African as well as Asiatic males will engage in same-sex bonding and mounting. The encounters are analogous to heterosexual bouts, one male often extending his trunk along the other's back and pushing forward with his tusks to signify his intention to mount. Unlike heterosexual relations, which are always of a fleeting nature, those between males result in a "companionship", consisting of an older individual and one or two younger, attendant males. Same-sex relations are common and frequent in both sexes, with Asiatic elephants in captivity devoting roughly 46% of sexual encounters to same-sex activity.[45]

[JT Brooklyn]

I'm guessing this is where "Hung like an Elephant" Originated!