"Sure. Safety in numbers an' all that jazz," Amos answers easily, and shrugs to settle his backpack into place. "Let's strike out, then! Bird across the way says it's clear."

Not so much said as simply isn't alarmed or excited: merely bored and watching for something interesting to happen. Some animals like trouble more than others. Amos heads for the door, because the way might not stay clear for long, and the less time they spend out, the less likely they are to get caught.