Statistics for Top 10 Mammals With the Longest Gestation Periods (Pregnancy)

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General Stats

  • This quiz has been taken 284 times
  • The average score is 6 of 10

Answer Stats

AnswerDaysMonths% Correct
1.ElephantsAfrican E.: avg: 645 days; Asian E.: avg: 617 daysAfrican E. range: 21-22 months; Asian E. range: 18–22 months
100%
2.Sperm Whaleaverage: 535 daysaprx. range of whales/dolphins: 14-20 months
88%
4.Black Rhinocerosaverage: 450 daysrange: 15-16 months
63%
8.Donkeyaverage: 365 daysrange: 11-14 months
53%
5.Giraffeaverage: 430 daysrange: 13-15 months
52%
10.Alpacaaverage: 345 daysaprx. 11,5 months, similar for many other ungulates (e.g. horses)
51%
3.Walrusaverage: 456 daysrange: 15-16 months
47%
6.Bactrian camelaverage: 390 daysrange: 12-14 months
41%
7.Grant's zebraaverage: 375 daysrange: 12-13 months
41%
9.California sea lionaverage: 350 daysaprx. 9-month gestation + 3-month implantation of the egg
35%

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