Dundas Island Jan. 21, 2009
| Estimate type | Estimate | Error |
|---|---|---|
| Dead count | 67.0 | - |
| Mark recapture estimate | 1065.0 | 16.67 |
| Filename | Page | Reference type |
|---|---|---|
| pop2007-07-sea-lion-data-and-tracking-report-2007-10.pdf | 11 | Mark recapture summary |
| pop2007-07-sea-lion-data-and-tracking-report-2007-10.pdf | 11 | Dead count |
| pop2007-07-sea-lion-data-and-tracking-report-2007-10.pdf | 32 | Mark recapture raw data |
| Count type | Total marked | Unmarked count | Marked count | Direct count |
|---|---|---|---|---|
| Dead count | - | - | - | 67 |
| Mark recapture estimate | 396 | 163 | 284 | - |
| Mark recapture estimate | 396 | 185 | 318 | - |
| Mark recapture estimate | 396 | 186 | 336 | - |
| Mark recapture estimate | 396 | 235 | 432 | - |
| Mark recapture estimate | 396 | 248 | 419 | - |
| Mark recapture estimate | 396 | 236 | 391 | - |
| Mark recapture estimate | 396 | 230 | 323 | - |
| Mark recapture estimate | 396 | 235 | 389 | - |
| Mark recapture estimate | 396 | 251 | 432 | - |
The New Zealand sealion demographic database was developed by Dragonfly Data Science. The data are copyright Department of Conservation, and are made available under a creative commons attribution 3.0 New Zealand licence, following the recommendations of NZGOAL. This licence allows the data to be used for any other purpose and republished, provided only that attribution is given. Please cite the database as below:
Department of Conservation (2025). New Zealand sealion pup production database, Department of Conservation, Wellington. Retrieved 25 November, 2025, from https://sealions.dragonfly.co.nz/pup-production/v20130711/.