Table 1.
Historical monk seal colonies. (Thirteen colonies were estimated using data types 1–4 and the assumption that colonies existed at a distance of at least 300 km from each other.)
| colony name | number of observations | highest ranked data type | latitude | longitude | date of last observation |
|---|---|---|---|---|---|
| Dry Tortugas | 23 | 2 | 24.67 | 82.85 | 1922 |
| A Triangulos | 19 | 1 | 20.95 | 92.27 | 1950 |
| Seal Cay, Ragged I | 13 | 2 | 22.62 | 75.88 | 1850 |
| Pedro | 12 | 1 | 17.00 | 77.83 | 1950 |
| A Alacran | 9 | 2 | 22.50 | 89.70 | 1950 |
| S Cuba | 5 | 3 | 19.90 | 77.20 | 1877 |
| Guadeloupe | 4 | 3 | 16.25 | 61.58 | 1667 |
| Curacao | 4 | 2 | 12.00 | 68.65 | 1643 |
| Anina | 4 | 3 | 21.20 | 86.72 | 1950 |
| Serrana | 3 | 1 | 15.83 | 79.83 | 1952 |
| Alta Vela | 3 | 3 | 17.47 | 71.63 | 1494 |
| Veracruz | 2 | 3 | 21.45 | 97.22 | 1524 |
| Guyana | 1 | 4 | 7.00 | 60.00 | 1613 |
| observations outside of colony | 38 |