A green toad stands partially in water while inflating its vocal sac. This behavior is part of its mating call, used to attract females and compete with nearby males. The inflated throat amplifies ...

AGASSIZ NATIONAL WILDLIFE REFUGE, Minn. -- The sun was just a dimming red ball on the western horizon when Maggie Anderson stepped out of the truck to hear what she could hear. The sky overhead was ...

Amazing things happen in nature as spring begins. The weather changes, plants and trees begin to flourish, and animals start to emerge from their hiding places. According to the U.S. Fish Wildlife ...

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 ...

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.

If you’re going to make it as an amphibian in the desert, you have to get hopping when an opportunity presents itself. Monsoon season in Tucson is also mating season for a variety of native frogs and ...