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Wildlife biologist and author connects the genetic dots between humans and wildlife to make a case that we aren’t separate from nature

Wildlife biologist and author Douglas Chadwick's motto is “Do unto ecosystems as you would have them do unto you.” He has published 15 books and more than 200 articles, more than 50 of which for National Geographic,which he’s worked with since 1977.

His writing has also been featured in other publications including Defenders of Wildlife, Audubon, The Huffington Post, Backpacker, TV Guide, The Smithsonian Magazine, Sports Illustrated, Reader's Digest, and Outside. And he has appeared in two PBS documentaries: Night of the Grizzlies (2010) and Wolverine: Chasing the Phantom (2010).

In his latest book, "Four Fifths a Grizzly: A New Perspective on Nature that Just Might Save Us All," Chadwick explores the surprisingly close relationship between human DNA and that of mammals like grizzly bears, with whom we share 80 percent of our DNA. In it, he reflects on the value of exposure to nature on human biochemistry and mentality, that we are not that far removed from our ancestors who lived closer to nature.

Chadwick will be presenting a free lecture next Friday, March 4 for the “Ding” Darling Wildlife Society on his philosophy and his new book. His talk will take place at Sanibel Congregational United Church of Christ on Periwinkle Way beginning at 10 a.m. next Friday.