Does Kioi notice any singular bird flying in a pattern that does not seem right? (1d20+10)[13]

Also, now that he sees the mountain and has heard more of the story, is there any information Kioi might provide?
K (Nature): (1d20+7)[25]
K (The Planes): (1d20+6)[16]

Also, is he familiar with the concept of negative energy and the Plane of Negative Energy?
K (The Planes): (1d20+6)[22]