 
			| Species (N=922) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Cyprinella spiloptera | 46.5 | 53.5 | 390 | 336 | 385 | 450 | 5.0 | 
| Cyprinus carpio | 43.7 | 56.3 | 378 | 304 | 393 | 485 | 47.0 | 
| Daboia russellii | 39.5 | 60.5 | 325 | 230 | 381 | 470 | 15.0 | 
| Dactylopsila trivirgata | 35.3 | 64.7 | 317 | 207 | 426 | 534 | 9.6 | 
| Dallia pectoralis | 44.2 | 55.8 | 387 | 300 | 393 | 474 | 8.0 | 
| Dama dama | 36.1 | 63.9 | 312 | 235 | 422 | 545 | 21.1 | 
| Damaliscus lunatus | 37.3 | 62.7 | 326 | 239 | 422 | 527 | 23.6 | 
| Damaliscus pygargus | 37.7 | 62.2 | 331 | 239 | 413 | 528 | 23.0 | 
| Danio rerio | 44.2 | 55.8 | 379 | 309 | 385 | 483 | 5.5 | 
| Dasypus novemcinctus | 38.4 | 61.6 | 342 | 238 | 399 | 532 | 22.3 | 
| Dasyurus hallucatus | 36.3 | 63.7 | 319 | 224 | 436 | 518 | 5.9 | 
| Daubentonia madagascariensis | 38.7 | 61.3 | 350 | 236 | 409 | 519 | 23.3 | 
| Dermophis mexicanus | 31.4 | 68.6 | 296 | 186 | 461 | 591 | 13.8 | 
| Desmodus rotundus | 42.6 | 57.4 | 388 | 261 | 372 | 501 | 29.2 | 
| Dicentrarchus labrax | 45.6 | 54.4 | 393 | 316 | 382 | 463 | 15.0 | 
| Dicerorhinus sumatrensis | 36.9 | 63.1 | 323 | 231 | 420 | 528 | 32.8 | 
| Diceros bicornis | 37.6 | 62.4 | 342 | 225 | 402 | 537 | 49.0 | 
| Didelphis virginiana | 32.2 | 67.8 | 279 | 205 | 478 | 540 | 6.6 | 
| Dorosoma cepedianum | 47.6 | 52.4 | 408 | 331 | 361 | 451 | 6.0 | 
| Dorosoma petenense | 47.4 | 52.6 | 410 | 326 | 361 | 456 | 4.0 | 
| Dromaius novaehollandiae | 40.2 | 59.8 | 364 | 257 | 410 | 514 | 16.6 | 
| Drosophila melanogaster | 22.8 | 77.2 | 183 | 147 | 549 | 570 | 0.3 | 
| Dryocopus pileatus | 45.0 | 55.0 | 414 | 281 | 365 | 483 | 13.0 | 
| Dugong dugon | 38.9 | 61.1 | 342 | 245 | 414 | 508 | 73.0 | 
| Echinops telfairi | 35.7 | 64.3 | 304 | 230 | 437 | 524 | 19.0 | 
| Echymipera rufescens | 33.2 | 66.5 | 293 | 206 | 459 | 540 | 3.1 | 
| Egretta garzetta | 43.7 | 56.3 | 410 | 268 | 378 | 495 | 22.3 | 
| Elaphodus cephalophus | 35.8 | 64.2 | 313 | 229 | 430 | 544 | 22.7 | 
| Elaphurus davidianus | 36.2 | 63.8 | 312 | 237 | 423 | 543 | 27.5 | 
| Elassoma zonatum | 42.0 | 58.0 | 360 | 281 | 394 | 490 | 3.0 | 
| Elephas maximus | 36.6 | 63.4 | 328 | 223 | 416 | 537 | 65.5 | 
| Emberiza aureola | 41.9 | 58.1 | 384 | 261 | 385 | 511 | 7.0 | 
| Engraulis encrasicolus | 46.4 | 53.6 | 399 | 320 | 369 | 460 | 3.0 | 
| Engraulis japonicus | 46.3 | 53.7 | 399 | 318 | 371 | 459 | 3.0 | 
| Enhydra lutris | 36.4 | 63.6 | 308 | 242 | 432 | 531 | 27.0 | 
| Epinephelus areolatus | 44.1 | 55.9 | 371 | 317 | 399 | 472 | 15.0 | 
| Epinephelus coioides | 43.6 | 56.4 | 376 | 307 | 404 | 479 | 22.0 | 
| Eptesicus serotinus | 35.9 | 64.1 | 300 | 240 | 441 | 522 | 21.0 | 
| Equus asinus | 38.3 | 61.7 | 341 | 239 | 412 | 522 | 47.0 | 
| Equus caballus | 38.0 | 62.0 | 340 | 236 | 414 | 527 | 57.0 | 
