A new study released by the Monteverde Institute today has found that when selecting a mate, female frogs demonstrate a clear preference for males who know a thing or two about the cloaca. The pulse and duration of the males mating call certainly plays a role in the females selection process, but we now know they also place a strong emphasis on the males ability to understand the cloaca and work it just right, either with their digits or with their tongues, said lead researcher Adreana Morn, who went on to explain that the most desirable mates intuitively understand that the female cloacathe posterior opening from which urine, feces, and eggs are dischargedis not simply an on/off switch, but a delicate instrument that, with a little know-how, can be stimulated to yield blissful results. The most competitive mates begin stimulating the cloaca indirectly, arousing the female with low croaking sounds and light touches to her abdomen and webbing. If he doesnt rush into the amplexus posture too quickly, by the time the male gets to the cloaca, shes already putty in his frontal legs. Morn added that a significant number of males also enjoyed having their cloacas stimulated. 