Touching his feathers like that earns her a rough groan of pleasure as a reward.

"They are not sensitive like that when I brush them against things while I am simply moving about," he mutters with a weak laugh. "But when you tease at them in the way that you do, it is as if they are extensions of my skin, almost."

Which in a way, they are, but they do not truly have nerve endings at the tips where she is teasing him now.