🐿️
Evolutionary Self-Care
Male Cape ground squirrels frequently masturbate to ejaculation — scientists believe it's a strategy to keep sperm fresh for competition.
Cape Ground Squirrel
Geosciurus inauris
Male Cape ground squirrels frequently masturbate to ejaculation, especially after mating with females.
Vital Stats
🏷️ TypeRodent (ground squirrel)
🌍 Found InSouthern Africa — semi-arid grasslands, savanna
📏 Size42-47cm including tail, 500-1,000g
⏳ Lifespan11-12 years
🔞 Sexual MaturityMales: 8-10 months | Females: 6 months
💕 Mating SystemPromiscuous — females mate with multiple males
📅 Mating SeasonDry season (June - September)
🤰 Gestation46-48 days
👶 Offspring1-3 pups per litter
🍆 Penis Size2 cm
⏱️ Sex Duration12 seconds
🔬 Notable AnatomyMales masturbate to ejaculation after mating to expel older, lower-quality sperm
⚖️ Sexual DimorphismMales slightly larger; both use tail for shade