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 ...

Several times each summer, Iowans drive set routes at night and turn a discerning ear to the 16 unique frog and toad songs that can be heard in Iowa.

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 ...