Wild Goose Chase

How one man's obsession saved an "extinct" species

Foxes ate so many Aleutian cackling geese that by 1940, the birds were thought to be extinct. (Craig Swolgaard)

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Rob Dunn is a biologist at North Carolina State University. His book "Every Living Thing: Man's Obsessive Quest to Catalog Life, from Nanobacteria to New Monkeys" comes out in January. Find more on Dunn's work at http://www4.ncsu.edu/~rrdunn/.


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