What can postage stamps tell us about biodiversity conservation? When Andr? Nem?sio isn't studying biology, he collects stamps. Andr? and his colleagues Diana Seixas and Heraldo Vasconcelos recently cataloged the animals represented on hundreds of thousands of postage stamps for sale on Delcampe and eBay . They found that 60% of stamps feature birds or mammals, even though birds and mammals …
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