| Species (N=152) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Pica pica | 45.6 | 54.4 | 185 | 53 | 78 | 206 | 21.7 |
| Pinicola enucleator | 48.2 | 51.4 | 198 | 52 | 63 | 204 | 9.8 |
| Platalea leucorodia | 48.3 | 51.7 | 205 | 47 | 64 | 206 | 30.1 |
| Platalea minor | 47.7 | 52.3 | 203 | 46 | 66 | 207 | 15.0 |
| Poecile palustris | 48.4 | 51.6 | 195 | 55 | 60 | 206 | 11.9 |
| Polyplectron napoleonis | 48.7 | 51.3 | 197 | 57 | 58 | 210 | 15.0 |
| Pyrrhocorax graculus | 47.4 | 52.6 | 182 | 64 | 82 | 191 | 24.4 |
| Pyrrhocorax pyrrhocorax | 45.6 | 54.4 | 181 | 57 | 89 | 195 | 20.3 |
| Pyrrhula pyrrhula | 51.8 | 48.2 | 214 | 55 | 53 | 197 | 17.5 |
| Quiscalus quiscula | 49.5 | 50.5 | 209 | 48 | 63 | 199 | 23.1 |
| Recurvirostra avosetta | 45.8 | 54.2 | 190 | 49 | 64 | 219 | 27.8 |
| Regulus calendula | 48.4 | 51.6 | 197 | 54 | 67 | 201 | 5.6 |
| Scolopax rusticola | 42.9 | 57.1 | 180 | 44 | 81 | 217 | 15.5 |
| Sitta carolinensis | 49.5 | 50.5 | 208 | 49 | 62 | 200 | 9.8 |
| Spheniscus demersus | 48.2 | 51.8 | 201 | 49 | 56 | 213 | 27.3 |
| Stercorarius maccormicki | 47.1 | 52.9 | 195 | 51 | 61 | 215 | 23.5 |
| Streptopelia chinensis | 47.9 | 52.1 | 203 | 47 | 56 | 216 | 9.8 |
| Struthio camelus | 46.9 | 53.1 | 191 | 54 | 59 | 218 | 50.0 |
| Sylvia atricapilla | 46.1 | 53.9 | 191 | 48 | 69 | 211 | 13.8 |
| Syrmaticus reevesii | 46.0 | 54.0 | 190 | 50 | 59 | 223 | 9.2 |
| Tachybaptus ruficollis | 48.3 | 51.7 | 201 | 51 | 53 | 217 | 17.5 |
| Tachycineta bicolor | 49.5 | 50.5 | 213 | 44 | 53 | 209 | 12.1 |
| Tachycineta thalassina | 49.5 | 50.5 | 209 | 48 | 55 | 207 | 9.1 |
| Tadorna tadorna | 50.8 | 49.2 | 198 | 67 | 58 | 199 | 24.8 |
| Taeniopygia guttata | 48.4 | 51.6 | 203 | 48 | 61 | 207 | 12.0 |
| Tetrastes bonasia | 46.7 | 53.3 | 190 | 54 | 66 | 212 | 7.2 |
| Thraupis episcopus | 52.4 | 47.6 | 217 | 55 | 54 | 193 | 9.5 |
| Threskiornis aethiopicus | 50.4 | 49.6 | 215 | 48 | 55 | 204 | 37.0 |
| Turdus migratorius | 53.0 | 47.0 | 214 | 61 | 42 | 202 | 17.0 |
| Vanellus vanellus | 46.4 | 53.6 | 190 | 52 | 60 | 220 | 24.5 |
| Vestiaria coccinea | 49.9 | 49.9 | 208 | 51 | 56 | 203 | 8.8 |
| Vireo olivaceus | 46.8 | 53.0 | 180 | 63 | 66 | 209 | 10.2 |