One rarely seen, colorful salamander species with clownish fixed smiles is prompting a lot of smiles among biologists in Maryland’s Department of Natural Resources (DNR).
In the 1990s, as development, pollution and evolving land uses intruded on breeding sites, Eastern tiger salamanders — the largest land-dwelling salamanders in North America — almost became extinct in the state. These amphibians are making a significant comeback.
https://www.washingtonpost.com/life...42c818-7453-11ea-85cb-8670579b863d_story.html
In the 1990s, as development, pollution and evolving land uses intruded on breeding sites, Eastern tiger salamanders — the largest land-dwelling salamanders in North America — almost became extinct in the state. These amphibians are making a significant comeback.
https://www.washingtonpost.com/life...42c818-7453-11ea-85cb-8670579b863d_story.html