elephant penis

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阴茎

亞洲象的阴茎（英语：elephant penis）（左）、人類的陰莖（右）

斑鬣狗

anti-androgens during fetal development did not produce females without a pseudo-penis (Drea, Weldele, Forger, Coscia, Frank, Licht, and Glickman, 1998).' [1]