 
			| Species (N=922) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Equus grevyi | 37.8 | 62.2 | 336 | 235 | 415 | 525 | 31.0 | 
| Equus hemionus | 37.7 | 62.3 | 333 | 237 | 420 | 523 | 31.6 | 
| Equus kiang | 37.6 | 62.4 | 333 | 236 | 420 | 524 | 30.1 | 
| Equus zebra | 37.6 | 62.4 | 332 | 237 | 421 | 523 | 33.2 | 
| Erimyzon oblongus | 44.6 | 55.4 | 376 | 319 | 396 | 469 | 6.0 | 
| Erinaceus europaeus | 33.3 | 66.7 | 288 | 215 | 473 | 536 | 11.7 | 
| Erythrocebus patas | 38.9 | 61.1 | 349 | 235 | 397 | 519 | 28.3 | 
| Eschrichtius robustus | 38.1 | 61.9 | 340 | 238 | 414 | 525 | 77.0 | 
| Esox lucius | 44.5 | 55.5 | 379 | 295 | 374 | 466 | 30.0 | 
| Etheostoma radiosum | 45.9 | 54.1 | 387 | 324 | 372 | 466 | 4.0 | 
| Eubalaena australis | 36.3 | 63.7 | 322 | 230 | 432 | 537 | 70.0 | 
| Eudorcas rufifrons | 35.9 | 64.1 | 316 | 229 | 434 | 539 | 14.5 | 
| Eudyptula minor | 43.8 | 56.2 | 402 | 274 | 373 | 496 | 16.0 | 
| Eulemur fulvus | 36.2 | 63.8 | 321 | 227 | 429 | 536 | 35.5 | 
| Eulemur macaco | 36.1 | 63.9 | 321 | 226 | 429 | 538 | 36.2 | 
| Eulemur mongoz | 37.2 | 62.8 | 333 | 230 | 418 | 534 | 36.2 | 
| Eulemur rubriventer | 36.5 | 63.5 | 320 | 232 | 430 | 531 | 20.0 | 
| Eumetopias jubatus | 39.0 | 61.0 | 345 | 248 | 401 | 528 | 32.8 | 
| Euphagus cyanocephalus | 41.4 | 58.6 | 369 | 268 | 395 | 505 | 12.5 | 
| Euthynnus affinis | 45.6 | 54.4 | 392 | 316 | 379 | 464 | 10.0 | 
| Falco cherrug | 42.8 | 57.2 | 400 | 268 | 375 | 516 | 15.9 | 
| Falco columbarius | 42.7 | 57.3 | 408 | 260 | 375 | 520 | 12.7 | 
| Falco peregrinus | 43.3 | 56.7 | 407 | 268 | 372 | 513 | 25.0 | 
| Falco sparverius | 43.1 | 56.9 | 406 | 267 | 376 | 514 | 17.0 | 
| Falco tinnunculus | 43.3 | 56.7 | 415 | 263 | 364 | 523 | 23.8 | 
| Felis catus | 35.6 | 64.4 | 306 | 233 | 437 | 538 | 30.0 | 
| Ficedula albicollis | 42.3 | 57.7 | 386 | 266 | 381 | 510 | 9.8 | 
| Fringilla coelebs | 41.3 | 58.5 | 371 | 265 | 387 | 514 | 29.0 | 
| Fringilla montifringilla | 41.6 | 58.4 | 369 | 271 | 389 | 509 | 14.8 | 
| Fulica atra | 41.9 | 58.1 | 389 | 259 | 385 | 512 | 20.6 | 
| Gadus morhua | 45.7 | 54.3 | 395 | 317 | 376 | 469 | 25.0 | 
| Gadus ogac | 45.3 | 53.3 | 361 | 303 | 353 | 429 | 12.0 | 
| Galago moholi | 39.2 | 60.8 | 351 | 241 | 398 | 522 | 16.6 | 
| Galago senegalensis | 39.2 | 60.8 | 350 | 243 | 399 | 521 | 17.1 | 
| Galaxiella nigrostriata | 42.4 | 57.6 | 369 | 289 | 408 | 486 | 1.0 | 
| Galeocerdo cuvier | 38.1 | 61.9 | 334 | 259 | 443 | 519 | 50.0 | 
| Gallinula chloropus | 41.6 | 58.4 | 387 | 256 | 389 | 513 | 18.6 | 
| Gallus gallus | 42.9 | 57.1 | 413 | 274 | 394 | 520 | 30.0 | 
| Gambusia affinis | 45.2 | 54.8 | 397 | 303 | 368 | 482 | 3.0 | 
| Garrulus glandarius | 41.2 | 58.8 | 370 | 267 | 387 | 521 | 17.9 | 
