List of mammalian gestation durations
| Mammal | Gestation period (days)[1] | Reference | ||
|---|---|---|---|---|
| Min | Max | Average | ||
| Alpaca | 345 | [2][3] | ||
| Baboon | 187 | |||
| Bear (black) | 220 | [4] | ||
| Bear (grizzly) | 215 | |||
| Bear (polar) | 241 | |||
| Beaver | 122 | |||
| American bison | 217 | |||
| Camel (Bactrian) | 360 | 420 | 390 | |
| Cat (domestic) | 58 | 67 | 64 | |
| Chimpanzee | 230 | 250 | 240 | |
| Chinchilla | 105 | 115 | 110 | [5] |
| Chipmunk | 31 | |||
| Cow | 279 | 292 | 286 | |
| Deer (white-tailed) | 201 | |||
| Dog (domestic) | 58 | 65 | 61 | |
| Donkey | 365 | |||
| Elephant (Asian) | 617 | |||
| Elephant (African) | 645 | |||
| Elk (wapiti) | 240 | 250 | 245 | |
| European mink | 38 | 76 | 57 | [5] |
| Ferret (domestic) | 41 | 42 | 41 | [5] |
| Fox (red) | 52 | |||
| Gerbil | 22 | 26 | 24 | [5] |
| Giraffe | 420 | 450 | 430 | |
| Goat (domestic) | 145 | 155 | 150 | |
| Gorilla | 255 | 260 | 257 | |
| Guinea pig | 56 | 74 | 65 | [5] |
| Hamster | 16 | 23 | 20 | |
| Hippopotamus | 225 | 250 | 237 | |
| Horse | 330 | 342 | 336 | |
| Human | 259 | 275 | 270 | |
| Kangaroo | 42 | |||
| Leopard | 92 | 95 | 93 | |
| Lion | 108 | |||
| Llama | 330 | |||
| Mink | 40 | 75 | 57 | |
| Monkey (rhesus) | 164 | |||
| Moose | 240 | 250 | 245 | |
| Mouse (domestic white) | 19 | |||
| Mouse (meadow) | 21 | |||
| Muskrat | 28 | 30 | 29 | |
| Opossum (Virginia) | 12 | 13 | 12 | |
| Otter | 60 | 86 | 73 | |
| Pig (domestic) | 112 | 115 | 113 | |
| Porcupine | 210 | |||
| Puma | 90 | |||
| Rabbit (domestic) | 28 | 35 | 31 | [5] |
| Raccoon | 63 | |||
| Rat | 21 | 23 | 22 | [6] |
| Rhinoceros (black) | 450 | |||
| Seal | 330 | |||
| Sea lion (California) | 350 | |||
| Squirrel (gray) | 30 | 40 | 35 | |
| Tiger | 105 | 113 | 109 | |
| Walrus | 456 | |||
| Whale (sperm) | 480 | 590 | 535 | |
| Wolf | 60 | 68 | 64 | |
| Wombat | 26 | 28 | 27 | |
| Zebra (Grant's) | 361 | 390 | 375 | |
References
- Gestation, Incubation, and Longevity of Selected Animals
- David Crystal, The Cambridge Factfinder Cambridge: Cambridge University Press, 1998 (84).
- Online animal encyclopedia
- Study finds wide range in pregnancy length
Notes
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Wikidata has the property:
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- ↑ infoplease.com > Health and Science > Environment and Nature > Nature > Gestation, Incubation, and Longevity of Selected Animals By James G. Doherty, general curator, The Wildlife Conservation Society. Retrieved on April 9, 2010
- ↑ Paris Hill Farm. "Alpacas 101". Retrieved 2012-07-14.
- ↑ Northwest Alpacas. "Alpaca Q&A". Archived from the original on 2012-07-21. Retrieved 2012-07-14.
- ↑ University of Michigan. "Ursus Americanus". Retrieved 2013-01-16.
- 1 2 3 4 5 6 Anamnese en lichamelijk onderzoek bij gezelschapsdieren, A.Rijnberk, F.J.van Sluis, 2nd print, Bohn Stafleu van Loghum, 2005, (Current Dutch veterinary examination study book for small domestic mammals)
- ↑ The Laboratory Rat, 2nd Edition, Eds. Mark A. Sucklow, Steven H. Weisbroth, and Craig L. Franklin. Page 151.
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