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All news related to Brian Gratwicke

Eastern red-spotted newt at Amazonia
Nov. 30, 2018
The secret to salamanders’ survival may be in their slimy secretions. Scientists at the Smithsonian Conservation Biology Institute are swabbing salamanders in Shenandoah, looking for disease-fighting...
Variable Harlequin Frogs Return to the Wild
Jan. 19, 2018
Through years of research and breeding, Smithsonian scientists have created a thriving variable harlequin frog colony in human care and released approximately 500 healthy frogs in Panama’s Colon...
A small orange variable harlequin frog, Atelopus varius, sitting on a rock
Jan. 18, 2018
Once common along highland streams in western Costa Rica and Panama, the variable harlequin frog, Atelopus varius, is endangered throughout its range, decimated by a disease caused by the amphibian...
A researcher swabbing a salamander
Oct. 13, 2017
In 2016, the international import of 201 salamander species into the United States was restricted in an effort to prevent the newly discovered deadly salamander fungal disease, Batrachochytrium...
Jul. 11, 2016
Nearly one-third of all amphibian species globally are at risk of going extinct.
Oct. 28, 2012
By Kimberly Terrell, Wildlife Biologist A team of scientists and keepers is traveling all over the eastern United States this year to study a unique and amazing animal: the hellbender.