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 ...

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