一則本生故事，講一位居於大樹中的樹神，見一隻小鳥遷來築巢便心生憂懼，因為鳥糞終將長出樹苗，日後可能反噬並殺死這棵大樹，此故事講給五百名有墮入不善慾望之險的比丘，以說明該起疑處便當起疑的道理。

A Jātaka in which a tree-spirit inhabiting a great tree trembles with foreboding on seeing a small bird take up residence there, since its droppings would eventually sprout trees that could overwhelm and kill the very tree it depends on, told to five hundred monks at risk of unwholesome desires as a lesson in distrusting what deserves distrust.