It is neat, CU, the way folks have so much to share when you open up such a great idea! I've got more books to search through, but one story which is sort of related is Why the Evergreens Keep Their Leaves in Winter...they are the only trees which will help care for a lame bird which cannot fly south. Are you familiar with it? There is a nice version in a book my grandma gave me which she used, How to Tell Stories to Children, which story is available about 2/3rds of the way down on THIS PAGE