Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Henderson Island' has mentioned 'Endangered' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [1] Breeding colonies of the globally endangered Henderson petrel formerly existed on Ducie but were wiped out by invasive rats by 1922. | WIKI |
| The island today is the only known breeding site of the endangered Henderson Petrel and is an important breeding area for at least ten other seabird species. | UNESCO |