Is the geographical history of Sundaland closely linked to the evolution of the native Sumatran cascade frogs? This question was investigated by an international team led by herpetologist Umilaela ...

For years, biologists observed the last known Cascades frog in Lassen Volcanic National Park as she sat in shallow pools of water, spring after spring, waiting to hear the mating calls of male frogs.

Lassen Volcanic National Park in far Northern California is a rugged wonderland of lava flows, cinder cones and boiling pools. It is also dotted with welcoming meadows and alpine lakes - places a ...