TopRedditPosts: Tigers cannot purr. To show happiness, tigers squint or close their eyes. This is because losing vision lowers defense, so tigers only purposefully do so when they feel comfortable and safe (i.imgur.com)

Saturday, January 23, 2016

Tigers cannot purr. To show happiness, tigers squint or close their eyes. This is because losing vision lowers defense, so tigers only purposefully do so when they feel comfortable and safe (i.imgur.com)

Submitted January 23, 2016 at 01:43AM by Theborgv http://ift.tt/1PoO2fN

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