An international team of scientists discovered two new species of clown tree frogs in the Amazon region. Until recently, these colorful amphibians had erroneously been considered part of another ...

DNA testing of two new-to-science frog species has shown they share a common ancestor — a species that lived 55 million years ago in the mountains of what is today Brazil’s Amazonas state. The ...

Scientists have discovered a new species of tree frog in an unusual place—a stretch of abandoned highway in Brazil. When herpetologists first heard male frogs calling in the Amazon rain forest, they ...