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Gestation, Incubation, and Longevity of Selected Animals

Animal Gestation or
incubation,
in days
(average)
Longevity,
in years
(record
exceptions)
Ass 365 18–20 (63)
Bear 180–2401 15–30 (47)
Cat 52–69 (63) 10–12 (26+)
Chicken 22 7–8 (14)
Cow 280 9–12 (39)
Deer 197–3001 10–15 (26)
Dog 53–71 (63) 10–12 (24)
Duck 21–351 (28) 10 (15)
Elephant 510–7301 (624) 30–40 (71)
Fox 51–631 8–10 (14)
Goat 136–160 (151) 12 (17)
Groundhog 31–32 4–9
Guinea pig 58–75 (68) 3 (6)
Hamster, golden 15–17 2 (8)
Hippopotamus 220–255 (240) 30 (49+)
Horse 329–345 (336) 20–25 (50+)
Human 253–303 652 (120)
Kangaroo 32–391 4–6 (23)
Lion 105–113 (108) 10 (29)
Monkey 139–2701 12–151 (29)
Mouse 19–311 1–3 (4)
Parakeet (Budgerigar) 17–20 (18) 8 (12+)
Pig 101–130 (115) 10 (22)
Pigeon 11–19 10–12 (39)
Rabbit 30–35 (31) 6–8 (15)
Rat 21 3 (5)
Sheep 144–1521 (151) 12 (16)
Squirrel 44 8–9 (15)
Whale 365–5471 n.a.
Wolf 60–63 10–12 (16)
1. Depending on kind.
2. Worldwide average life expectancy, as of 2006. For U.S. life expectancy charts, see Life Expectancy at Birth by Race and Sex.
Source: James G. Doherty, general curator, The Wildlife Conservation Society.

Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.

Animal Group TerminologyNatureSpeed of Animals

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