Ah ha! He had heard her whistle! The response he gave was much louder than her own had been, and it was pretty obvious that he was responding and not just subconsciously picking up on it, judging by the way his head was now on a swivel. Nepeta cupped a hand around her mouth as she responded again, in an effort to cast the noise in a different direction and further throw the stranger from her location.

She shifted around on the branch so that she would be in a position to spring out from hiding, should she be discovered, or if she would want to leap out to surprise her would be prey if he was becoming too aware of where she was laying hidden in wait.