insider.si.edu

Guía sonora de las ranas y sapos de Bolivia [sound recording] = Sounds of frogs and toads of Bolivia / editado por R. Márquez ... [et al.]

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

Ear on the marsh: Frog and Toad Calling Survey brings sounds of spring

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. Maggie Anderson, ...