rule 34 2023 3 toes animal genitalia anus artist name avian beak biped bird blush brown penis chest tuft cockatoo dialogue digitigrade english text erection eye markings feathered wings feathers feet feral genital slit genitals geometric background glistening glistening eyes grey body grey feathers grey scales hi res leg tuft male markings open beak open mouth otterjunk parrot penis robin otterjunk scales simple background slit solo speech bubble spread legs spreading tail feathers talons tapering penis text toes trans lore trans woman lore tuft white body white feathers wings yellow body yellow eyes yellow feathers 8723979