Do Animals Cry?

Plenty of animals have tears that moisturize their eyes. But does that mean they’re sad? Quick Questions explains!

Hosted by: Michael Aranda
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Sources:
http://news.discovery.com/animals/zoo-animals/do-animals-cry-1309171.htm
https://www.psychologytoday.com/blog/animal-emotions/201309/do-elephants-weep-emotional-response
http://boingboing.net/2014/09/15/do-animals-cry.html
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0021236