Pronouns walking and seeing pronouns. We must assume that this is not good because the alternative is to think that "them" means birds or something and that there is nothing really interesting happening here.
Walking very quietly although that had not been her intention. It was just that the spongy underlay of leaf mould and rotting vegetation muffled every footfall. The trees, tall and packed close together, also seemed to absorb sound. In one or two places the sun pierced through the closely entwined branches, sending dazzling shafts of hard white light into the darkness below.
We learn that someone is danger. The scene is tense but I skipped most of it. Someone in the woods, running from persons unknown for reasons unknown. A fairly roundabout way to announce that someone dies.