Admit it: At first glance you thought this was two lizards mating. It's not! It's just one lizard sunning itself on a rock.
It's a chameleon, to be exact, and this one was a tee marker during the 2011 Mayakoba Golf Classic on the PGA Tour. That tournament is played at El Camaleon Golf Club, hence the lizard-on-a-rock tee markers.