Name: Sandy B. Ford River Twp, Michigan UP (Zone 4b) (Zone 4b-maybe 5a)
Mary, I just saw this... but I think any sort of paper or cardboard will work the same as the newsprint; I think most of the ink that's used in newsprint anymore is a nontoxic soy ink.
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer C/F temp conversion