All throughout the time in the mountains, Dewy Leaf is snippish with Moon Shadow, and appears to dislike him. Then, when Gray Wing is about to leave, she asks him to tell Moon Shadow that she hopes he's happy. It's really nice seeing that she did care about Moon Shadow.
Throughout their journey to find the Followers of the Sun Trail, Gray Wing has insisted on Jagged Peak eating the food that he catches himself. However, when Jagged Peak brings back a shrew, he only eats part of it, and pushes the rest over to Gray Wing. When Gray Wing protests, Jagged Peak tells him, "We share. It's the proper way." It's a small moment, but is touching nonetheless.
Fox telling Petal that she's better than she thinks she is.
Petal finally having her faith in other cats restored when she meets Clear Sky.