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Submit Your Frog Listening Data

Volunteers are asked to commit 30 minutes once a month to listening for frogs and toads at a site that is convenient and easily accessible (see reference map on the right).

FLN will also have occasional fun outings where we will go out as a group and collect data. Check the event calendar for our next planned outing. The data will be based on an estimate of the number of male frogs that are calling during the 30-minute period.


  • If you're unsure of the location of your listening event, use the reference map on the right as a guide
  • Required fields are denoted by an asterisk (* )

FLN Data Collection Form

Please use the form below to submit the data you collect so that it can be analyzed by local biologists. We appreciate your help!

Reference Map: Observation Locations

Map of current frog listening locations. Hover over or click on a location for its name.

  • Staff Listening Point
  • Volunteer Listening Point
Collector Information
Listening / Outing Information
Frog Observation Details

* Please estimate the number of frogs of each type.

Common Name Scientific Name Call Estimated Number of Frogs:
Bullfrog Rana catesbeiana Jug o-Rum Rum
Pig Frog Rana grylio Pig Grunt
Southern Leopard Frog Rana sphenocephala Squeaky Balloon
Gopher Frog Rana capito aesopus Creaking Door or Snore
Barking Treefrog Hyla gratiosa bark or bike horn
Bronze Frog Rana clamitans clamitans Banjo Twang
Cuban Treefrog Osteopilus septentrionalis Raspy Chuckle (trees and verticals)
Eastern Narrow-mouthed Toad Gastrophryne carolinensis carolinensis Sheep
Eastern Spadefoot Toad Scaphiopus holbrooki Squonk or Quonk (at 10 sec), the "errr" in Budweiser ads
Giant Toad Bufo marinus woodpecker with bubble popping sound
Greenhouse Frog Eleutherodactylus planirostris planirostris Insect cheep, the squeaking of shoes in a mini bball game
Green Treefrog Hyla cinerea Gronk gronk gronk
Little Grass Frog Pseudacris ocularis Cricket Chirp (coming from wetland)
Oak Toad Bufo quercicus chick peeps
Pinewoods Treefrog Hyla femoralis Morse Code
River Frog Rana heckscheri snore (in Summer)
Southern Cricket Frog Acris gryllus dorsalis Clicking Metal Marbles
Southern Chorus Frog Pseudacris nigrita verrucosa Finger Across Comb Teeth
Southern Toad Bufo terrestris long high trill
Spring Peeper Pseudacris crucifer bartramania Sharp Piercing Bird-like Peeps
Squirrel Treefrog Hyla squirella Quank quank (very nasal)
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