| Species (N=919) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Equus kiang | 42.5 | 57.5 | 105 | 42 | 90 | 109 | 30.1 |
| Equus zebra | 43.4 | 56.6 | 106 | 45 | 90 | 107 | 33.2 |
| Erimyzon oblongus | 44.1 | 55.9 | 90 | 64 | 110 | 85 | 6.0 |
| Erinaceus europaeus | 31.0 | 69.0 | 67 | 40 | 121 | 117 | 11.7 |
| Erythrocebus patas | 36.7 | 63.3 | 94 | 33 | 107 | 112 | 28.3 |
| Eschrichtius robustus | 41.9 | 58.1 | 106 | 39 | 94 | 107 | 77.0 |
| Esox lucius | 45.6 | 54.4 | 111 | 49 | 110 | 81 | 30.0 |
| Etheostoma radiosum | 47.3 | 52.7 | 103 | 63 | 118 | 67 | 4.0 |
| Eubalaena australis | 43.2 | 56.8 | 106 | 44 | 91 | 106 | 70.0 |
| Eudorcas rufifrons | 40.5 | 59.5 | 101 | 39 | 99 | 107 | 14.5 |
| Eudyptula minor | 47.7 | 52.3 | 125 | 43 | 87 | 97 | 16.0 |
| Eulemur fulvus | 41.7 | 58.3 | 102 | 43 | 102 | 101 | 35.5 |
| Eulemur macaco | 40.2 | 59.8 | 101 | 39 | 101 | 107 | 36.2 |
| Eulemur mongoz | 39.9 | 60.1 | 96 | 43 | 107 | 102 | 36.2 |
| Eulemur rubriventer | 42.8 | 57.2 | 101 | 48 | 102 | 97 | 20.0 |
| Eumetopias jubatus | 41.6 | 58.4 | 103 | 41 | 93 | 109 | 32.8 |
| Euphagus cyanocephalus | 45.6 | 54.4 | 116 | 44 | 94 | 97 | 12.5 |
| Euthynnus affinis | 51.3 | 48.7 | 121 | 58 | 96 | 74 | 10.0 |
| Falco cherrug | 46.9 | 53.1 | 123 | 42 | 85 | 102 | 15.9 |
| Falco columbarius | 45.5 | 54.5 | 118 | 42 | 89 | 103 | 12.7 |
| Falco peregrinus | 45.7 | 54.3 | 122 | 39 | 86 | 105 | 25.0 |
| Falco sparverius | 42.3 | 57.4 | 110 | 39 | 97 | 105 | 17.0 |
| Falco tinnunculus | 48.9 | 51.1 | 128 | 44 | 83 | 97 | 23.8 |
| Felis catus | 42.7 | 57.3 | 105 | 43 | 92 | 107 | 30.0 |
| Ficedula albicollis | 49.0 | 51.0 | 116 | 56 | 85 | 94 | 9.8 |
| Fringilla coelebs | 46.4 | 53.6 | 126 | 37 | 86 | 102 | 29.0 |
| Fringilla montifringilla | 47.3 | 52.7 | 125 | 41 | 87 | 98 | 14.8 |
| Fulica atra | 44.6 | 55.4 | 116 | 41 | 96 | 99 | 20.6 |
| Gadus morhua | 42.4 | 57.6 | 94 | 54 | 121 | 80 | 25.0 |
| Gadus ogac | 42.7 | 57.3 | 94 | 56 | 119 | 82 | 12.0 |
| Galago moholi | 40.3 | 59.7 | 98 | 42 | 102 | 105 | 16.6 |
| Galago senegalensis | 41.0 | 59.0 | 99 | 43 | 101 | 103 | 17.1 |
| Galaxiella nigrostriata | 37.5 | 62.5 | 81 | 50 | 127 | 91 | 1.0 |
| Galeocerdo cuvier | 37.8 | 62.2 | 82 | 50 | 126 | 91 | 50.0 |
| Gallinula chloropus | 46.3 | 53.7 | 123 | 40 | 88 | 101 | 18.6 |
| Gallus gallus | 45.0 | 55.0 | 112 | 46 | 95 | 98 | 30.0 |
| Gambusia affinis | 43.0 | 57.0 | 101 | 49 | 118 | 81 | 3.0 |
| Garrulus glandarius | 43.0 | 57.0 | 105 | 46 | 96 | 104 | 17.9 |
| Gasterosteus aculeatus | 46.7 | 53.3 | 107 | 56 | 109 | 77 | 8.0 |
| Gavia stellata | 46.6 | 53.4 | 122 | 42 | 87 | 101 | 24.0 |