وَأَمَّا الْخَفِيفَةُ فَكَبَوْلِ الْفَرَسِ، وَكَذَا بَوْلُ مَا يُؤْكَلُ لَحْمُهُ، وَخُرْءِ طَيْرٍ لَا يُؤْكَلُ
The matn lists horse urine, urine of animals whose meat is lawful to eat, and droppings of non-edible birds. Note that the matn speaks here about the urine of edible quadrupeds; do not silently place every type of their dung in the same category.