Position?

[trunks_ssj]

Are humans the only species on earth to have sexual intercousre facing each other.  Eye-to-eye?

[andy hughes]

I believe that some species of ape have face-to-face intercourse, but I can't swear to it.

[Quizmonster]

Click http://www.science.edu.sg/ssc/detailed.jsp?artid=1214&type=6&root=4&parent=4&cat=43 for a web-page that suggests whales mate face-to-face...or at least belly-to-belly, if not exactly eye-to-eye.

[Quizmonster]

Click http://www.bio.davidson.edu/people/vecase/Behavior/Spring2004/laird/Mating.htm

for a web-page on the mating habits of the bonobo chimpanzee. Given that it seems to spend its entire life copulating, it's not surprising that front-to-front caught on! This confirms what Andy said above.

[mokwepa]

Bonobos, sometimes known as Pygmy chimpanzees, copulate face to face. Bonobos are now known to be our closest relatives, according to DNA studies.