| Citation | Birdlife International 2019 Spectacled petrel Procellaria conspicillata. Birdlife International. http://datazone.birdlife.org/species/factsheet/spectacled-petrel/distribution [Accessed: 12/04/2019]. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 120177 |
| Language | English |
| Usage | used in part |
| Remarks | |
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