Saturday, November 27, 2010

Pregnancy period of different animals

The bar chart gives the maximum pregnancy(also called gestation) period of animals including humans.It is interesting to note that the pregnancy period of the animals increase with their size.Small rats have minimum pregnancy period whereas elephants have the largest pregancy periods.

The pregnancy period of various animals in days (click on the image to view larger size)

The data for this visualization is taken from wikipedia, here  , and visualization created with MS Excel '07.

On a related note, the gestation period of animals with the same body size vary depending upon the placenta. BBC article here.


  1. Anonymous11:06 PM

    in some animals pregnancy's are not up to more than 11 month or one year that is what teachers would teach children but i don't know if it is true so thanks for you help

    1. The data used in the visualization is indeed from Wikipedia, verified by its editors. Rest assured about the accuracy of the data.

  2. I love animals and I blog on them. keep it up. You can also visit my blogAnimals stays important