Twice a year, Linda Berker and her husband Donald James head out from their Lapeer County home in search of the croaking, chirping sounds of frogs. They drive to a few sites a mile apart from each ...

The sounds of amphibians are altered by the increase in ambient temperature, a phenomenon that, in addition to interfering with reproductive behaviour, serves as an indicator of global warming.

Researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound more like sound effects ...

I’ve said it before, and I’ll say it again: Summer is my favorite season, and the past few weekends have included seeing and hearing various frogs and toads. Earlier this month I had the opportunity ...

Duration: 45:29 minutes. Text and color photography of each species in booklet. Presents sounds of 130 species. siris_sil_713687 ...