FURVERT!

3_toes anthro anus between_toes biped blue_eyes butt claws digitigrade dragon erection feet genitals hi_res hindpaw holding_feet horn hybrid legs_up looking_at_viewer lying male mythological_creature mythological_scalie mythology nephis nude on_back paws penis presenting presenting_hindquarters red_penis scalie simple_background soles solo stripes tail toes wolfbird_(artist)