They may have outlived dinosaurs, but amphibians increasingly struggle for survival in the 21st century.
More than 30 percent of species are listed as threatened or endangered. While scientists work to pinpoint causes for the decline, some suggest that amphibians — like canaries in a mine shaft — sound an ominous early warning for the rest of us.
Among those monitoring amphibians worldwide are WSU researchers Paul Verrell and Peter Ritson. Verrell, associate professor in the School of Biological Sciences, said concern about amphibian decline initially surfaced in 1989.
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