In most cases, evolution is a pretty slow process, taking hundreds if not thousands of years—but when humans enter the picture, some animals have to evolve at light speed in order to survive in a vastly changing world! Join Hank Green for a new episode all about animal evolution.

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Sources:

https://www.annualreviews.org/doi/abs...
https://www.audubon.org/field-guide/b...
https://www.newscientist.com/article/...
https://www.wired.com/2013/03/cliff-s...
https://www.newscientist.com/article/...
http://discovermagazine.com/2015/marc...
http://www.bbc.com/earth/story/201603...
https://sedac.ciesin.columbia.edu/es/...
https://www.newscientist.com/article/...
https://www.nationalgeographic.com/ne...
https://www.theatlantic.com/science/a...
http://archive.unu.edu/unupress/unupb...
https://www.nature.com/articles/s4159...
https://www.newscientist.com/article/...
https://science.sciencemag.org/conten...
https://www.newscientist.com/article/...
https://www.butterfliesandmoths.org/s...
https://plants.usda.gov/core/profile?...
https://www.nature.com/articles/d4158...
https://www.nationalgeographic.com/an...