It was a thrilling and critical moment, and had the young hunter leaped up he might have been dangerously if not fatally struck. But by instinct he backed away silently and moved off in another direction through the brush. The rattlesnake did not follow, although it kept its piercing eyes on the hunter as long as possible. After the antelope stalk was over, Roosevelt came back to the spot, made a careful search, and, watching his chance, fired on the rattlesnake, killing it instantly.