Lehr’s team collected specimens of frogs belonging to the Pristimantis genus, or robber frogs, according to the study. They were found at night along a mountain river on leaves just above the ...

The Clay Robber Frog from Amazonian Brazil is a master of silence—or so it seems. While it might appear quiet to humans, it ...

However, researchers found 23 other species to be at a higher risk of extinction than previously thought. This includes the Rio Cosnipata robber frog (Pristimantis cosnipatae), a Peruvian species that ...