Animal pregnancy quiz

Who's Pregnant Longer?

Tap the animal you think carries its young for longer. One wrong answer ends your streak, and the pairs get closer as you go.

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How long is each animal pregnant?

These are the average gestation lengths used in the game, shortest to longest. Real pregnancies vary by days or weeks. For a real due date with the normal birth window, use the dog, cat, goat or cow calculator.

Animal	Average pregnancy	Roughly
Hamster	16 days	about 2 weeks
Mouse	19 days	about 3 weeks
Rat	22 days	about 3 weeks
Rabbit	31 days	about 4 weeks
Kangaroo	33 days	about 5 weeks
Koala	34 days	about 5 weeks
Hedgehog	34 days	about 5 weeks
Squirrel	40 days	about 6 weeks
Fox	52 days	about 7 weeks
Dog	63 days	about 2 months
Cat	65 days	about 2 months
Leopard	95 days	about 3 months
Tiger	103 days	about 3.5 months
Lion	108 days	about 3.5 months
Pig	114 days	about 3.5 months
Giant panda	127 days	about 4 months
Sheep	150 days	about 5 months
Goat	150 days	about 5 months
Deer	200 days	about 6.5 months
Hippo	240 days	about 8 months
Gorilla	257 days	about 8.5 months
Human	280 days	about 9 months
Cow	283 days	about 9.5 months
Blue whale	335 days	about 11 months
Horse	336 days	about 11 months
Alpaca	345 days	about 11.5 months
Dolphin	364 days	about 12 months
Zebra	375 days	about 12 months
Camel	390 days	about 13 months
Giraffe	430 days	about 14 months
Rhino	480 days	about 16 months
Orca	532 days	about 17 months
Elephant	660 days	about 22 months

Sources

The human figure of 280 days is the standard 40 weeks counted from the last period. Educational information only, not veterinary advice.