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The Sealed-Off Females
Female European moles have 'ovotestes' that produce testosterone, and they have no external vagina except during breeding season.
European Mole
Talpa europaea
These underground dwellers have unusual intersex characteristics — females have ovotestes that produce testosterone.
Vital Stats
🏷️ TypeMole (insectivore mammal)
🌍 Found InEurope — grasslands, woodlands, gardens with soft soil
📏 Size11-16cm, 70-130g
⏳ Lifespan3-5 years
🔞 Sexual Maturity1 year
💕 Mating SystemFemales highly territorial; males must find females during brief breeding window
📅 Mating SeasonFebruary - June
🤰 Gestation4 weeks
👶 Offspring2-7 pups per litter
🍆 Penis Size2 cm
⏱️ Sex Duration30 seconds
🔬 Notable AnatomyFemales have ovotestes producing high testosterone; vaginal opening sealed outside breeding season
⚖️ Sexual DimorphismSimilar size; both sexes have high testosterone