| Species (N=918) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Equus zebra | 39.4 | 60.6 | 167 | 41 | 103 | 217 | 33.2 |
| Erimyzon oblongus | 47.1 | 52.9 | 169 | 77 | 76 | 200 | 6.0 |
| Erinaceus europaeus | 31.6 | 68.4 | 132 | 37 | 127 | 238 | 11.7 |
| Erythrocebus patas | 39.9 | 60.1 | 172 | 35 | 99 | 213 | 28.3 |
| Eschrichtius robustus | 38.6 | 61.4 | 171 | 33 | 97 | 227 | 77.0 |
| Esox lucius | 42.9 | 57.1 | 163 | 61 | 79 | 219 | 30.0 |
| Etheostoma radiosum | 45.8 | 54.2 | 157 | 82 | 94 | 189 | 4.0 |
| Eubalaena australis | 37.9 | 62.1 | 158 | 42 | 111 | 217 | 70.0 |
| Eudorcas rufifrons | 34.1 | 65.9 | 143 | 37 | 122 | 226 | 14.5 |
| Eudyptula minor | 48.0 | 52.0 | 191 | 58 | 65 | 205 | 16.0 |
| Eulemur fulvus | 38.5 | 61.5 | 165 | 35 | 97 | 222 | 35.5 |
| Eulemur macaco | 39.1 | 60.9 | 165 | 38 | 99 | 217 | 36.2 |
| Eulemur mongoz | 40.8 | 59.2 | 170 | 42 | 93 | 214 | 36.2 |
| Eulemur rubriventer | 39.3 | 60.7 | 168 | 36 | 95 | 220 | 20.0 |
| Eumetopias jubatus | 39.0 | 61.0 | 155 | 51 | 91 | 231 | 32.8 |
| Euphagus cyanocephalus | 49.9 | 50.1 | 210 | 49 | 60 | 200 | 12.5 |
| Euthynnus affinis | 48.1 | 51.9 | 169 | 82 | 82 | 189 | 10.0 |
| Falco cherrug | 46.6 | 53.4 | 203 | 43 | 51 | 231 | 15.9 |
| Falco columbarius | 48.9 | 51.1 | 207 | 48 | 46 | 221 | 12.7 |
| Falco peregrinus | 46.8 | 53.2 | 199 | 48 | 56 | 225 | 25.0 |
| Falco sparverius | 46.6 | 53.4 | 196 | 47 | 56 | 223 | 17.0 |
| Falco tinnunculus | 46.7 | 53.3 | 200 | 44 | 54 | 224 | 23.8 |
| Felis catus | 38.1 | 61.9 | 146 | 55 | 120 | 207 | 30.0 |
| Ficedula albicollis | 52.4 | 47.6 | 209 | 63 | 53 | 194 | 9.8 |
| Fringilla coelebs | 48.9 | 51.1 | 202 | 52 | 62 | 203 | 29.0 |
| Fringilla montifringilla | 48.0 | 52.0 | 199 | 50 | 66 | 204 | 14.8 |
| Fulica atra | 47.9 | 52.1 | 203 | 47 | 51 | 221 | 20.6 |
| Gadus morhua | 46.0 | 54.0 | 155 | 85 | 95 | 187 | 25.0 |
| Gadus ogac | 44.3 | 55.7 | 152 | 79 | 97 | 194 | 12.0 |
| Galago moholi | 42.6 | 57.4 | 187 | 38 | 99 | 204 | 16.6 |
| Galago senegalensis | 41.5 | 58.5 | 184 | 35 | 102 | 207 | 17.1 |
| Galaxiella nigrostriata | 40.6 | 59.4 | 154 | 58 | 108 | 202 | 1.0 |
| Galeocerdo cuvier | 37.7 | 62.3 | 155 | 42 | 103 | 222 | 50.0 |
| Gallinula chloropus | 46.2 | 53.8 | 198 | 43 | 57 | 224 | 18.6 |
| Gallus gallus | 48.3 | 51.7 | 203 | 49 | 53 | 217 | 30.0 |
| Gambusia affinis | 47.5 | 52.5 | 181 | 67 | 91 | 183 | 3.0 |
| Garrulus glandarius | 44.8 | 55.2 | 171 | 63 | 96 | 192 | 17.9 |
| Gasterosteus aculeatus | 46.6 | 53.4 | 165 | 78 | 88 | 191 | 8.0 |
| Gavia stellata | 49.4 | 50.6 | 192 | 66 | 65 | 199 | 24.0 |
| Gavialis gangeticus | 43.9 | 56.1 | 181 | 51 | 91 | 205 | 28.8 |