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Rubbing One Out (On a Tree)
Male deer have been observed achieving erections and apparent ejaculation while rubbing their antlers on trees — behavior some researchers interpret as masturbation.
Deer
Cervidae
During rut, male deer become so aroused that they've been observed achieving apparent sexual release while rubbing their antlers on trees.
Vital Stats
🏷️ TypeEven-toed ungulate (cervid)
🌍 Found InWorldwide except Antarctica and Australia — forests, grasslands, tundra
📏 Size60cm to 2m+ depending on species
⏳ Lifespan10-25 years depending on species
🔞 Sexual Maturity1-2 years
💕 Mating SystemPolygynous — males compete through sparring with antlers
📅 Mating SeasonFall 'rut' (October-December for most species)
🤰 Gestation6-8 months depending on species
👶 Offspring1-3 fawns per year
🍆 Penis Size25 cm
⏱️ Sex Duration5 seconds
🔬 Notable AnatomyMales so aroused during rut they achieve release rubbing antlers on trees; testosterone spikes 5x
⚖️ Sexual DimorphismMales larger with antlers (shed and regrown annually)