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.

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 ...

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 ...

As the snowy remains of winter continue melting away and the late spring sunshine and warmth awaken the buds of the aspen trees and the blooms of wildflowers, the rivers, mountains and forests around ...

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 ...

As I had mentioned a few columns back, this first full week in May is the start of spring for me. And what a start it has been: Bluebells hit peak bloom, a full moon greeted us with bats feeding under ...