Tag: salamanders
SubscribeSalamander helps rewrite geologic history of Central & South America
March 20, 2013:
UC Berkeley’s David Wake and colleague Kathryn Elmer at the University of Glasgow analyzed the genetic variability of salamanders that had moved from Central to South America and concluded that they could not have diversified within the 3 million years geologists think the two continents have been connected. They think the Panamanian land bridge formed 23 million years ago.
Despite global amphibian decline, number of known species soars
July 30, 2012:
Publicity over the past 25 years about the decline of amphibians worldwide has led to an explosion of research on the causes and exploration to find new species. AmphibiaWeb now counts 7,000 amphibian species, up from 5,000 a mere 12 years ago.
