PhysOrg Posted April 28, 2016 Share Posted April 28, 2016 Professor of ecology and evolutionary biology David Winkler found a needle in a haystack: three Ithaca tree swallows among 10 million or so overwintering in Florida this January. The coup was made possible by Winkler's development of the first lifetime-solar-powered tag for small songbirds, an invention that could revolutionize the way birds and other small animals are tracked and studied. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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