The Big ImageBoard (TBIB) - 4 toes anatid animal genitalia anisodactyl anseriform anserinae avian avian butt avian feet beak bestiality big penis bipedal feral bird bodily fluids butt cloaca cloaca juice cloaca juice string cloacal cloacal penetration detailed background duo faceless character faceless human faceless male feathered wings feathers feet female feral feral penetrated genital fluids genitals goose gradient background grey body grey feathers half-closed eyes horizontal cloaca human human on feral human penetrating human penetrating feral humanoid genitalia humanoid penis inside internal interspecies long neck looking back male male/female male on feral mammal narrowed eyes on pillow open mouth penetration penile penile penetration penis penis in cloaca pillow presenting presenting hindquarters puffy cloaca purple eyes raised tail seductive sex silhouette simple background spread wings tail tail feathers toes tongue wings zevex