(duo), male/male, anthro, zebra, equid, ( comparing penis, penis size difference

(duo), male/male, anthro, zebra, equid, ( comparing penis, penis size difference, frottage, size difference, ), fur, fluffy, tuft, chest tuft, (crotch tuft), two tone body, slightly chubby, stripes, inner ear fluff, big balls, saggy balls, huge penis, foreskin, erection, sheath, excessive precum, sweaty balls, sweaty penis, sweaty genitalia, standing, front view, looking away, detailed background, outside, night, starry sky, fog, canine, canid, fox, by blotch, by sidnithefox, by darkgem, by miosha, by sabretoothed ermine, ( comparing penis, penis size difference, frottage, size difference, ), fur, fluffy, tuft, chest tuft, (crotch tuft), two tone body, slightly chubby, stripes, inner ear fluff, big balls, saggy balls, huge penis, foreskin, erection, sheath, excessive precum, sweaty balls, sweaty penis, sweaty genitalia, standing, front view, looking away, detailed background, outside, night, starry sky, fog, canine, canid, fox, by blotch, by sidnithefox, by darkgem, by miosha, by sabretoothed ermine,