Amazing Animal Hearts

14 2/14/2013 // By Suzi Letouze

This Valentine’s Day, rather than look at animals’ weird mating rituals or focus on the possibility of a worldwide chocolate shortage, we’re going to stroll down memory lane to examine some amazing facts about animal hearts:

To learn more, see the original posts:

Update: The image above has been updated with the correct silhouettes for the blue whale and cheetah.

from Wildlife Promise

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