| Species (N=917) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Erimyzon oblongus | 36.3 | 63.7 | 42 | 19 | 44 | 63 | 6.0 |
| Erinaceus europaeus | 24.6 | 75.4 | 37 | 14 | 74 | 82 | 11.7 |
| Erythrocebus patas | 32.8 | 67.2 | 55 | 11 | 50 | 85 | 28.3 |
| Eschrichtius robustus | 36.5 | 63.5 | 60 | 10 | 49 | 73 | 77.0 |
| Esox lucius | 46.4 | 53.6 | 57 | 21 | 44 | 46 | 30.0 |
| Etheostoma radiosum | 40.5 | 59.5 | 49 | 19 | 48 | 52 | 4.0 |
| Eubalaena australis | 38.0 | 62.0 | 63 | 10 | 45 | 74 | 70.0 |
| Eudorcas rufifrons | 32.3 | 67.7 | 50 | 15 | 57 | 79 | 14.5 |
| Eudyptula minor | 43.0 | 57.0 | 64 | 7 | 34 | 60 | 16.0 |
| Eulemur fulvus | 32.4 | 67.6 | 50 | 17 | 63 | 77 | 35.5 |
| Eulemur macaco | 31.9 | 68.1 | 49 | 17 | 65 | 76 | 36.2 |
| Eulemur mongoz | 32.9 | 67.1 | 50 | 18 | 63 | 76 | 36.2 |
| Eulemur rubriventer | 35.7 | 64.3 | 55 | 19 | 58 | 75 | 20.0 |
| Eumetopias jubatus | 35.3 | 64.7 | 57 | 15 | 51 | 81 | 32.8 |
| Euphagus cyanocephalus | 45.8 | 54.2 | 65 | 12 | 40 | 51 | 12.5 |
| Euthynnus affinis | 48.2 | 51.8 | 60 | 21 | 36 | 51 | 10.0 |
| Falco cherrug | 43.5 | 56.5 | 66 | 7 | 35 | 60 | 15.9 |
| Falco columbarius | 44.6 | 55.4 | 67 | 8 | 33 | 60 | 12.7 |
| Falco peregrinus | 45.2 | 54.8 | 67 | 9 | 34 | 58 | 25.0 |
| Falco sparverius | 39.9 | 60.1 | 58 | 9 | 41 | 60 | 17.0 |
| Falco tinnunculus | 44.6 | 55.4 | 67 | 8 | 33 | 60 | 23.8 |
| Felis catus | 32.4 | 67.6 | 54 | 12 | 51 | 87 | 30.0 |
| Ficedula albicollis | 42.3 | 57.7 | 62 | 9 | 43 | 54 | 9.8 |
| Fringilla coelebs | 43.5 | 56.5 | 60 | 13 | 42 | 53 | 29.0 |
| Fringilla montifringilla | 41.7 | 58.3 | 59 | 11 | 44 | 54 | 14.8 |
| Fulica atra | 42.9 | 57.1 | 64 | 8 | 32 | 64 | 20.6 |
| Gadus morhua | 42.3 | 57.7 | 55 | 16 | 44 | 53 | 25.0 |
| Gadus ogac | 41.7 | 58.3 | 54 | 16 | 45 | 53 | 12.0 |
| Galago moholi | 33.8 | 66.2 | 55 | 14 | 57 | 78 | 16.6 |
| Galago senegalensis | 34.3 | 65.7 | 57 | 13 | 55 | 79 | 17.1 |
| Galaxiella nigrostriata | 39.3 | 60.7 | 48 | 18 | 52 | 50 | 1.0 |
| Galeocerdo cuvier | 26.2 | 73.8 | 35 | 9 | 58 | 66 | 50.0 |
| Gallinula chloropus | 37.5 | 62.5 | 54 | 9 | 44 | 61 | 18.6 |
| Gallus gallus | 41.2 | 58.8 | 60 | 8 | 40 | 57 | 30.0 |
| Gambusia affinis | 41.1 | 58.9 | 51 | 18 | 44 | 55 | 3.0 |
| Garrulus glandarius | 39.9 | 60.1 | 57 | 10 | 44 | 57 | 17.9 |
| Gasterosteus aculeatus | 41.1 | 58.9 | 46 | 23 | 53 | 46 | 8.0 |
| Gavia stellata | 48.2 | 51.8 | 68 | 13 | 37 | 50 | 24.0 |
| Gavialis gangeticus | 38.3 | 61.7 | 51 | 11 | 44 | 56 | 28.8 |
| Gazella cuvieri | 34.3 | 65.7 | 54 | 15 | 53 | 79 | 17.9 |