The Big ImageBoard (TBIB) - 2020 anthro anthro on feral anus balls bestiality black body black claws black membrane black scales black wings blue membrane blue wings butt claws crocodile crocodilian crocodylid dragon duo feral finger claws frill (anatomy) genitals gradient background green balls green body green scales grey body grey horn grey scales grey spikes hand on back hi res horn knot larger feral larger male looking back lube lube in ass lube on anus lube on butt lube on penis lube on tail male male/male membrane (anatomy) membranous frill membranous wings multicolored body multicolored membrane multicolored scales open mouth orange eyes penis penis size difference pink anus pink knot pink penis pink tongue presenting presenting anus presenting balls presenting hindquarters presenting penis raised tail redponei reptile ridged penis scales scalie signature simple background size difference smaller anthro smaller male spikes teeth toe claws tongue torfi two tone body two tone membrane two tone scales two tone wings white background wings