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Males Not Required
Some whiptail lizard species are entirely female and reproduce through cloning — but they still perform mating rituals with each other.
Whiptail Lizard
Aspidoscelis
Some species of whiptail lizards are all-female and reproduce without males through parthenogenesis.
Vital Stats
🏷️ TypeLizard (teiid)
🌍 Found InSouthwestern USA and Mexico — deserts and scrublands
📏 Size15-38cm including tail
⏳ Lifespan4-7 years
🔞 Sexual Maturity1-2 years
💕 Mating SystemParthenogenesis — all-female, clones themselves
📅 Mating SeasonSpring and summer
👶 Offspring1-8 eggs per clutch (genetically identical clones)
🍆 Penis SizeN/A
⏱️ Sex Duration5 minutes
🔬 Notable AnatomyFemales mount each other like mating despite no males; stimulation increases fertility
⚖️ Sexual DimorphismN/A — entirely female species