| Clue | Source | Date |
|---|---|---|
| Seuss' star-bellied creatures | Newsday | 12 May 2022 |
| Dr. Seuss creatures that exist in Plain and Star-Bellied varieties | The New Yorker | 06 Jan 2020 |
| Seuss's star-bellied creatures | New York Times | 19 Apr 2018 |
| Seuss's star-bellied creatures | ||
| Star-Belly and Plain-Belly Seuss creatures |