Living things adapt and evolve -- all the time. In fact, the animals we see scurrying around in our backyards are much different than they were many years ago.
But what are some shocking changes we can pinpoint? Examples, and even some mysteries, are hidden in robust collections of preserved creatures from years past to the present, like the library at The Field Museum in Chicago.
"We're the libraries of the material that will allow you to test various hypotheses about how life has changed overtime, or how it might change going forward," Bill Stanley, the museum's mammals collection manager, told The Huffington Post.
From dolphins to deer mice, he pulled back the collection's curtains to reveal how modern-day species are changing over time. Watch the video above and/or click the link below for a full transcript. Plus, leave your thoughts in the comments section. Come on, talk nerdy to me!CLICK HERE FOR FULL TRANSCRIPT
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