IUCN / SSC Cat Specialist Group - Digital Cat Library |
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| Diamond, J.M. | |
| Extant Unless Proven Extinct? Or, Extinct Unless Pronven Extant? | |
| 1987 Conservation Biology (1): 77-79 | |
Whitten, Bishop, Nash, and Clayton (1987; see pp. 42- 48) report that recent ornithological surveys of Sangihe Island in Indonesia failed to encounter a previously described species of small bird endemic to that island, the Sangihe flycatcher. Recent surveys of the larger Indonesian island of Sulawesi (Celebes) similarly failed to encounter three endemic species of small fish. The authors conclude that these species may be extinct. At first, these findings may appear particularistic and unlikely to command headlines in Indonesia, let alone elsewhere. In fact, they are of potentially broad significance, for they illustrate a serious recurrent problem in assessments of the present extinction crisis. |
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