The Big ImageBoard (TBIB) - 2017 4 fingers absurd res accessory anal anal penetration anatid animal genitalia animal penis anseriform anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro anus avian beak bird bird feet blue eyes blush bodily fluids butt butt grab carrying cloaca duck duo electric eel erection feathers felino fin fingers fish genital fluids genitals girly gradient background green body green markings green skin hair accessory hair bow hair ribbon half-closed eyes hand on butt hand on chest hand on shoulder hemipenes hi res interspecies knifefish larger male leg grab looking at another male male/male male penetrated male penetrating male penetrating male marine markings multi genitalia multi penis naked-back knifefish narrowed eyes nonbinary (lore) open mouth orange beak penetration penis pink bow pink penis precum purple background raize (ultilix) red penis ribbons saido (ultilix) sex simple background size difference smaller male spread legs spreading stand and carry position standing standing sex striped body striped skin stripes tail fin thigh grab yellow body yellow eyes yellow feathers