Whiptail Lizards

Native to Arizona, these lizards have apparently been infected with some manner of Sapphic Lilith Fair gene and somehow managed to entirely eliminate the male of the species.
As a result, the lizards are what scientists call "parthenogeneticunisexual pseudocopulators" but what we call "lesbo lizards." Since there are no males, the females reproduce on their own, making exact copies of themselves.
However, proving that porn has many life lessons to teach us, the lizards still need another woman to get the job done. A butchy female, noted by her small undeveloped eggs, will hop on another female who has rich, robust, ready-to-be-lesbianized eggs, and mock hump her lizard brains out while some awesome jazz plays in the background.