The poem moves through a woodland place the speaker knows well, and it does so in short, quiet fragments. The early memories are warm and a little playful: a cousin pretending to be a bear, tall tales, a barred owl that used to blink at the occasional passing car. Even the childhood fear of a bobcat's hiss feels like part of the place's charm, something remembered rather than dreaded.
Then the tone shifts. The hemlocks, which give the hollow its dim, sheltering light, are "threatened by needle eaters." The poem doesn't say what these are, but the phrase suggests insects that feed on the trees. The final line, "I avoid looking up," carries the feeling of the whole piece. The speaker seems unable to face the damage overhead, and that small gesture says more than a direct statement of grief would. The mood is tender and nostalgic, tinged with worry and quiet denial about what is being lost.