A herd of zebras is under threat, and the poem watches how they survive it. Their stripes, usually what makes them stand out, become a kind of defence. When the animals run together, the edges blur and "20 seam into one / flurry of panic," so a predator can't pick out a single target. The short, broken lines mimic that scramble, and the repeated "dance" makes the fear feel almost like choreography.
The speaker seems more like an observer than a character, but the feeling shifts clearly. At first the mood is tense and breathless. Then comes the line "Relief ripples, rips them back / into individual," where the word "rips" suggests that even safety arrives with a jolt. The ending is calm and spare: "Large. / Small. / Free." Each word sits alone, just as each zebra does again. The poem leaves us with a quiet sense of release, though the danger that made them blend together hasn't truly gone away.