Gestation Period
The length of gestation, the time from conception to birth. For humans this is 266 days.
| Mammal | Gestation period [days] |
| Hamster | 16 |
| Mouse | 21 |
| Grey Squirrel | 44 |
| Dog | 62 |
| Pig | 113 |
| Sheep | 148 |
| Chimpanzee | 237 |
| Human | 266 |
| Dolphin | 276 |
| Horse | 337 |
| Whale | 365 |
| African Elephant | 640 |
Subjects: Biology