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A Guide to California's
Reptiles and Amphibians




Sounds of Lithobates grylio - Pig Frog

(= Rana grylio)

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Recording Location


Advertisement Calls

An advertisement call is the most well-known call of a frog. It is produced by a male frog in order to attract females during the breeding season and to warn other rival males of his presence. Frogs usually make the calls around bodies of water that are suitable for breeding and egg laying. These calls can be heard during the evening and at night, and sometimes during daylight at the peak of the breeding season.




This is a short recording of the advertisement calls of a single Pig Frog recorded on a summer night in Chambers County Texas. This is a 45 second recording of the advertisement calls of group of Pig Frogs recorded on a summer night in Chambers County Texas. The calls of Green Treefrogs, Bronze Frogs, Coastal Cricket Frogs, Squirrel Treefrogs, mosquitoes, and other insects can also be heard.




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