A small, quick moment drives the poem: someone hears movement in the treetops and realizes monkeys are nearby. The first lines build the scene through sound and motion. There is a rustle, then branches swaying "as if a little whirlwind hit," a comparison that makes the disturbance feel sudden and a bit wild. Then the monkeys appear only as dark shadows against the bright sky, jumping from branch to branch. We never get a clear look at them, which keeps them slightly mysterious.
The last line shifts to the speaker, who looks around and holds the bananas close. That small gesture says a lot. The speaker seems wary, maybe a little nervous, but not terrified, and there's a hint of humor in how protective they become. The mood is alert and playful at once: the tension of being watched, mixed with the comedy of a person clutching their snack while the treetops come alive overhead.