USGS Frog Call Quiz is an on-line resource for learning to identify frogs by their unique breeding vocalizations. The website includes a reference section (frog call look-up) and a the opportunity to test yourself on state-based quizzes (public quiz).

Jun 3, 2017 · The Frogs and Toads of North America: A Comprehensive Guide to Their Identification,Behavior, and Calls

Calls of Frogs and Toads of the Northeast Presented roughly in the order that they are heard through the season. CREDITS: Photos and descriptions taken from Frogs and Toads of North America by Lang Elliott, Carl Gerhardt, and Carlos Davidson.

We currently have calls for eleven species of frogs. Click on the thumbnails below to view enlargements of the photographs and to hear calls. Photographs and sound recordings produced by the US Geological Survey, Upper Midwest Environmental Sciences Center.

USGS Frog Call Quiz is an on-line resource for learning to identify frogs by their unique breeding vocalizations. The website includes a reference section (frog call look-up) and a the opportunity to test yourself on state-based quizzes (public quiz).

Frogs produce two types of calls that most experiments tend to focus on, which are release calling and mating calling. Only the male frogs are able to produce mating calls to attract gravid female frogs.

Gray Tree Frogs are found across eastern North America. You’ll spot them in a wide variety of wooded habitats, from backyards to forests to swamps. But the BEST way to locate a Gray Tree Frog is to listen for its mating calls! Once you know what to listen for, they are easy to …

By looking at the description of a frog or toad's call and when it calls, you may be able to narrow your search to just a few species. Click on the species name to open it's web page (which includes sound) or click on "Call" to play just the sound file.

Each frog species have a distinct calls for mating, territorial, and distress calls. The callers are usually males and the sound travels through the air, and through water. Listen to all the...

If you were a frog, you'd have to know the mating call of your kind. So tune your ears and learn the unique calls of these four frogs by clicking on these links and listening carefully: If you were a Spring Peeper, which of the above calls would you listen for, Frog Call A, B, C, or D?"