The Calyptocephallela gayi, or Helmeted Water Toad, is one of the largest frogs in the world ... is now threatened by human beings,” said Melissa Cancino, a vetinarian and founder of Proyecto ...

SANTIAGO (Reuters) - A giant frog species that hopped alongside dinosaurs and is considered a "living fossil" is now losing ground in its native Chile as climate change and human intervention ...

SANTIAGO (Reuters) - A giant frog species that hopped alongside dinosaurs and is considered a "living fossil" is now losing ground in its native Chile as climate change and human intervention damage ...