age_differenceambiguous_genderanalanatidanseriformanthroavianballsbirdbodily_fluidsbody_hairboidbwainbuttcumcum_in_asscum_insidedaughter_(lore)duckduke_(ratbrain17)ejaculationfemalefemale/femalefluffygenital_fluidsgenitalsgynomorphgynomorph/femalegynomorph_penetratinghi_resincest_(lore)intersexintersex/femaleintersex_penetratinglarger_gynomorphlarger_intersexmads_(boidbwain)mother_(lore)mother_and_child_(lore)mother_and_daughter_(lore)mother_penetrating_daughterolder_gynomorpholder_intersexowlparent_(lore)parent_and_child_(lore)parent_and_daughter_(lore)penetrationplapsexsize_differencesmaller_femaleyounger_female