In California's high mountain lakes, male frogs are in a race against time with only three weeks to find a mate before the water refreezes. Their croak speed is a precise thermometer that tells ...

Across the animal kingdom, sound is more than communication – it’s a signal of survival and success. From birds and primates to insects, fish and amphibians, animals broadcast acoustic “advertisements ...

At a Laingsburg nature center, spring nights come alive with frog croaks, bird calls and cricket chirps. A group of hikers ...

Add Yahoo as a preferred source to see more of our stories on Google. In California's high mountain lakes, male frogs are in a race against time with only three weeks to find a mate before the water ...