Other scientists argue that these plants are very poisonous so it is unlikely that any dinosaur ate them, even though today the sloth and other animals like the parrot (a descendant of the dinosaurs) can eat poisonous leaves or fruit.
其他科学家认为这些植物有毒，所以恐龙不太可能吃它们，即便现在树懒和其他动物例如鹦鹉（恐龙的后代）可以吃有毒的叶子或水果。