Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.

Male green treefrogs attract mates with loud calls, but new research shows parasites can subtly change those signals.

The frog scream varies between species. Some sound like shrill screeches, others like prolonged squeals or gasps. Unlike their melodic mating calls, screaming is usually jarring, sudden, and ...