He froze.
Silence reigned except for the chirp of the little creatures that lived in the woods and emitted bird-like noises. They sounded cute until you came across them. Unlike a feathered denizen of earth, the furry buggers who chirped like songbirds resembled more a rat with spiked fur, razor-sharp teeth, and a really bad attitude if they felt threatened. Ankles beware!
They're not the only ones who get nasty when their lives are in danger.
Although none of his muscles moved, Seth held himself ready to act, letting his internal processor analyze the space around him, seeking a hint, anything to give him an edge. He inhaled deep, testing the air, in an attempt to see if he could identify his attacker. Lo and behold, he got a faint trace.