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

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This quiz has been taken 413 times
The average score is 6 of 10

Answer Stats

	Answer	Days	Months	% Correct
1.	Elephants	African E.: avg: 645 days; Asian E.: avg: 617 days	African E. range: 21-22 months; Asian E. range: 18–22 months	100%
2.	Sperm Whale	average: 535 days	aprx. range of whales/dolphins: 14-20 months	88%
4.	Black Rhinoceros	average: 450 days	range: 15-16 months	64%
8.	Donkey	average: 365 days	range: 11-14 months	55%
10.	Alpaca	average: 345 days	aprx. 11,5 months, similar for many other ungulates (e.g. horses)	54%
5.	Giraffe	average: 430 days	range: 13-15 months	54%
3.	Walrus	average: 456 days	range: 15-16 months	48%
6.	Bactrian camel	average: 390 days	range: 12-14 months	44%
7.	Grant's zebra	average: 375 days	range: 12-13 months	44%
9.	California sea lion	average: 350 days	aprx. 9-month gestation + 3-month implantation of the egg	39%

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