 
			| Species (N=6) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Arenaria interpres | 46.6 | 53.4 | 239 | 126 | 200 | 219 | 22.3 | 
| Chroicocephalus ridibundus | 46.4 | 53.6 | 234 | 130 | 200 | 220 | 32.9 | 
| Recurvirostra avosetta | 46.8 | 53.2 | 249 | 118 | 185 | 232 | 27.8 | 
| Scolopax rusticola | 44.3 | 55.7 | 224 | 123 | 211 | 226 | 15.5 | 
| Stercorarius maccormicki | 45.4 | 54.6 | 240 | 116 | 196 | 232 | 23.5 | 
| Vanellus vanellus | 46.6 | 53.4 | 246 | 119 | 195 | 224 | 24.5 | 
