| Χώρα | Hong Kong | Οικοσύστημα | South China Sea |
| Περιοχή | northern South China Sea | Depth | |
| Εισαχθέντα | Year Intro. | ||
| Στάδιο ζωής | adult | mixed | |
| Quantitative | 3 | Unit | number |
| Semi Quantitative | <100 | Unit | number |
| Qualitative | rare | ||
| Έτος | 2001 - 2001 | Περίοδος | 2001-present |
| Ημερομηνία | 2001-01-01 00:00:00 - 2001-12-31 00:00:00 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | not specified | Μέθοδος | |
| Σχόλια | Census was conducted in 2001, dates are assumed. Population size refers to breeding pairs. | ||