| Species (N=916) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) |
|---|---|---|---|---|---|---|---|
| Ovis ammon | 37.7 | 62.3 | 326 | 268 | 388 | 592 | 16.8 |
| Ovis aries | 37.9 | 62.1 | 327 | 269 | 386 | 592 | 22.8 |
| Ovis canadensis | 36.6 | 63.4 | 233 | 196 | 288 | 456 | 20.6 |
| Ovophis okinavensis | 40.2 | 59.8 | 362 | 236 | 332 | 556 | 19.0 |
| Ozotoceros bezoarticus | 36.2 | 63.8 | 303 | 265 | 398 | 603 | 21.9 |
| Pagellus bogaraveo | 46.6 | 53.4 | 436 | 355 | 355 | 551 | 15.0 |
| Palea steindachneri | 38.3 | 61.7 | 362 | 254 | 340 | 653 | 41.0 |
| Paleosuchus palpebrosus | 46.3 | 53.7 | 451 | 283 | 292 | 561 | 24.1 |
| Paleosuchus trigonatus | 45.6 | 54.4 | 443 | 281 | 298 | 564 | 30.9 |
| Pan paniscus | 42.3 | 57.7 | 396 | 264 | 346 | 553 | 55.0 |
| Pan troglodytes | 42.3 | 57.7 | 397 | 262 | 345 | 554 | 59.4 |
| Pandion haliaetus | 45.4 | 54.6 | 424 | 294 | 315 | 548 | 32.0 |
| Panthera leo | 40.0 | 60.0 | 338 | 292 | 371 | 575 | 27.0 |
| Panthera onca | 39.7 | 60.3 | 338 | 288 | 372 | 577 | 28.0 |
| Panthera pardus | 40.1 | 59.9 | 342 | 289 | 369 | 572 | 27.3 |
| Panthera tigris | 39.7 | 60.3 | 341 | 285 | 370 | 579 | 26.3 |
| Papio hamadryas | 42.3 | 57.7 | 393 | 271 | 357 | 549 | 37.5 |
| Parus major | 45.0 | 55.0 | 403 | 318 | 331 | 549 | 15.4 |
| Passer domesticus | 44.8 | 55.3 | 395 | 321 | 339 | 545 | 23.0 |
| Passer montanus | 44.8 | 55.2 | 397 | 320 | 333 | 550 | 13.1 |
| Pavo cristatus | 45.3 | 54.7 | 434 | 294 | 343 | 536 | 23.2 |
| Pecari tajacu | 39.1 | 60.9 | 350 | 266 | 355 | 603 | 31.5 |
| Pelecus cultratus | 43.1 | 56.9 | 385 | 345 | 363 | 599 | 11.0 |
| Pelomedusa subrufa | 40.0 | 60.0 | 370 | 272 | 364 | 598 | 20.1 |
| Pelusios castaneus | 39.3 | 60.7 | 360 | 267 | 383 | 587 | 41.0 |
| Peponocephala electra | 37.0 | 63.0 | 317 | 267 | 403 | 592 | 47.0 |
| Perameles gunnii | 34.2 | 65.8 | 291 | 250 | 436 | 605 | 6.1 |
| Perca flavescens | 46.0 | 54.0 | 428 | 351 | 366 | 550 | 12.0 |
| Perca fluviatilis | 45.5 | 54.5 | 425 | 345 | 368 | 554 | 22.0 |
| Percopsis transmontana | 48.9 | 51.1 | 444 | 372 | 303 | 551 | 6.0 |
| Periparus ater | 45.4 | 54.6 | 410 | 316 | 324 | 550 | 9.5 |
| Perodicticus potto | 40.9 | 59.1 | 379 | 263 | 353 | 576 | 26.8 |
| Petaurista alborufus | 38.2 | 61.8 | 340 | 262 | 399 | 573 | 21.4 |
| Petaurus breviceps | 36.7 | 63.3 | 326 | 251 | 392 | 603 | 17.8 |
| Petromyzon marinus | 37.9 | 62.1 | 337 | 278 | 398 | 608 | 9.0 |
| Phacochoerus africanus | 36.8 | 63.2 | 317 | 261 | 387 | 607 | 20.9 |
| Phaeognathus hubrichti | 33.3 | 66.7 | 274 | 241 | 412 | 620 | 19.7 |
| Phaethon rubricauda | 47.3 | 52.8 | 474 | 282 | 302 | 542 | 32.7 |
| Phalacrocorax carbo | 46.8 | 53.2 | 421 | 289 | 291 | 516 | 27.2 |
| Phascogale tapoatafa | 38.7 | 61.3 | 320 | 288 | 420 | 544 | 5.9 |