rule 34 2020 3 toes avian beak belt biped bird black beak black body black claws black feathers black feet black nose black wings blue eyes bodily fluids bound brown collar claws closed eyes cock worship collar collar ring digital media artwork dinosaur dromaeosaurid duo erection falcrus feathered dinosaur feathered wings feathers feral feral on feral folded wings genital fluids genitals grey body grey feathers grey nose grey skin grey tail harness heart hi res hug leash legs tied long penis looking at another looking at partner lying male malemale microraptor multicolored body multicolored feathers muzzle object muzzled on back open mouth penile penis penis grab penis hug penis size difference pink penis pink tongue precum precum drip precum string pubic mound raised leg realistic wings rear view reptile scalie sharp claws sharp teeth simple background smile tapering penis teeth theropod toe claws toes tongue two tone body two tone feathers vein veiny penis watermark white background wings 4174768