I am looking for a children’s book that my mom read to me over and over again. It was about a mouse (?) that was trying to find a friend, when he encounters a hurt bird. The line “It was up to him to help the bird, he would have to find a friend another day,” is surely a direct quote from the book. There were strawberries involved and lovely woodland illustrations. Of course, the hurt bird became the friend the mouse was looking for all along.