| Clue | Source | Date |
|---|---|---|
| Some chimpanzees | ||
| Apes with a matriarchal social structure | New York Times | 07 Jun 2023 |
| Congo chimps | Thomas Joseph | 29 Jan 2021 |
| Chimp's cousins | Wall Street Journal | 13 Oct 2018 |
| Endangered chimpanzees | LA Times Daily | 14 Apr 2018 |
| Endangered chimpanzees | The Washington Post | 14 Apr 2018 |
| Endangered chimpanzees | ||
| Chimp's cousins | ||
| Chimp cousins | Newsday | 18 Jun 2016 |
| Rare great apes | ||
| Rare great apes | ||
| Endangered great apes | ||
| Endangered great apes |