User blog comment:Martin2/Essay:Unanswered Questions of Redwall (Rebuttal)/@comment-1209332-20100307034742

They do kill birds. Several times "Gull feather" fletching is mentioned and quills as well. And bird feathers fall off as well. Your major point is that nothing can be taken for granted. Well, it very much so can as you will recall the first book was written for ages 5-10 ish.