| Answer | Crossword Clue |
|---|---|
| PASSENGERPIGEON | Extinct American species. |
| PASSENGERTRAINS | Nearly extinct American species? |
| REDCAP | Nearly extinct American species? |
| SPARROWHAWK | Species of falcon also called an American kestrel |
| CARIB | Almost extinct American. |
| PASSENGERPIGEON | Extinct North American bird |
| ELK | Eastern ... (extinct North American mammal) |
