When is the first indication of real danger in the story flight?

In the story "Flight" by John Steinbeck, the first indication of real danger occurs when the protagonist, a young boy, realizes that he is being pursued by a hawk after he has taken a small bird from its nest. This moment emphasizes the stark reality of nature and the instinctual threats that exist, foreshadowing the challenges he will face. The boy's initial bravado quickly gives way to fear, highlighting the precariousness of his situation and the harsh truths of survival.