The Big ImageBoard (TBIB) - 2017 4 fingers abs all fours anal anal penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro anti dev anus armpit hair avian ayden (brogulls) back muscles backsack bailey (brogulls) balls bdsm beach beak biceps big butt big muscles biped bird black beak black body black eyebrows black eyes black feathers black markings blindfold blue sky bodily fluids body hair bondage border bound brogulls brother (lore) brother penetrating brother brothers (lore) butt chest tuft cloud comic crouching cuff (restraint) detailed background dialogue dipstick beak dipstick tail doggystyle dominant dominant male dot eyes duo edging english text erection eye contact eyebrows eyes closed feathers feet fingerless (marking) fingers from behind position genitals grey body grey feathers grey tail grey tail feathers gull handcuffed handcuffs hands behind back hi res humanoid genitalia humanoid penis incest (lore) kneeling larger male lari larid light looking at another looking at partner looking at relative looking at sibling looking down looking up lying male male/male male penetrated male penetrating male penetrating male markings membrane (anatomy) metal cuffs multicolored beak multicolored body multicolored feathers multicolored sky multicolored tail multicolored tail feathers muscular muscular male night nipples nude number on front on towel open mouth open smile orgasm denial outside page number pecs penetration penis pink sky pubes pull out purple sky question restraints sand seaside sex sex on the beach shackles shaded shadow sibling (lore) simple eyes size difference sky small dom big sub smaller male smile speech bubble standing star starry sky submissive submissive male sweat tail tail feathers tail markings teeth text thick eyebrows thin eyebrows toes tongue tongue out towel tuft two tone beak two tone tail two tone tail feathers webbed feet white balls white body white border white butt white feathers white penis white tail white tail feathers yellow beak