In the story, Wringer, How does Palmer discover that his father is a shooter?

Is there a picture of it?

The poem is an unconventional sonnet; it develops a main idea in the first twelve lines, and is capped by a big thought in the final couplet. the poem follows a narrator describing the industriousness of nature’s creatures, preparing for the coming spring. all of creation is at work, but the speaker is sullen as the only creature he can see who finds himself without an occupation.