If you come across a bird’s nest with chicks or eggs, either in a tree or on the ground along the road, and the mother is sitting on the chicks or eggs, you must not take the mother along with the young.
KJV
If a bird’s nest chance to be before thee in the way in any tree, or on the ground, [whether they be] young ones, or eggs, and the dam sitting upon the young, or upon the eggs, thou shalt not take the dam with the young:
ASV
If a bird’s nest chance to be before thee in the way, in any tree or on the ground, with young ones or eggs, and the dam sitting upon the young, or upon the eggs, thou shalt not take the dam with the young: