| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Laridae | Larus | 67168 |
| 2 | Laridae | Chroicocephalus | 13483 |
| 3 | Laridae | Sterna | 12238 |
| 4 | Laridae | Leucophaeus | 11422 |
| 5 | Laridae | Thalasseus | 9674 |
| 6 | Laridae | Hydroprogne | 6967 |
| 7 | Laridae | Chlidonias | 4531 |
| 8 | Laridae | Sternula | 3420 |
| 9 | Laridae | Rynchops | 3366 |
| 10 | Laridae | Rissa | 1575 |
| 11 | Laridae | Gelochelidon | 1524 |
| 12 | Laridae | Xema | 1428 |
| 13 | Laridae | Onychoprion | 1193 |
| 14 | Laridae | Hydrocoloeus | 1020 |
| 15 | Laridae | Ichthyaetus | 1014 |
| 16 | Laridae | Anous | 733 |
| 17 | Laridae | Creagrus | 662 |
| 18 | Laridae | Rhodostethia | 448 |
| 19 | Laridae | Larosterna | 245 |
| 20 | Laridae | Litini | 204 |
| 21 | Laridae | Gygis | 177 |
| 22 | Laridae | Pagophila | 167 |