| Species (N=6) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Arenaria interpres | 42.0 | 58.0 | 393 | 262 | 400 | 505 | 22.3 |
| Chroicocephalus ridibundus | 42.3 | 57.7 | 387 | 267 | 392 | 501 | 32.9 |
| Recurvirostra avosetta | 41.8 | 58.2 | 387 | 260 | 391 | 509 | 27.8 |
| Scolopax rusticola | 41.4 | 58.6 | 382 | 260 | 399 | 510 | 15.5 |
| Stercorarius maccormicki | 41.4 | 58.6 | 379 | 265 | 400 | 511 | 23.5 |
| Vanellus vanellus | 42.7 | 57.3 | 398 | 263 | 385 | 502 | 24.5 |