Sounds of Hyla arenicolor - Canyon Treefrog

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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 23 second recording of the nocturnal advertisement calls of a small group of Canyon Treefrogs, some close and some distant, calling from a pool in a small creek in Santa Cruz County, Arizona in August. Insects and a Great Plains Narrow-mouthed Toad are heard in the background.		This is a 3 second recording of two consecutive calls from a single frog at close range.

This is a 4 second recording of two consecutive calls of two individual frogs at close range.		This is an 11 second edited recording of 3 high-pitched encounter or warning calls made by a frog at close range, followed by two calls made by one close and one more distant frog. These encounter calls appeared to be made when a frog was too close to another calling male, although frogs were observed making these calls when the closest male was more than 6 feet away. The sounds recorded here were provoked by getting close to a calling male, then making a loud trilling sound. (These loud sounds have been edited out of the recording.) The enounter calls followed immediately. Encounter calls can also be seen in the video below.
Short Video

Several male Canyon Treefrogs call at night from the edge of a rocky creek in Arizona. At the end are several examples of a two-part high-pitched encounter call.
You can listen to more recordings of Canyon Treefrogs on this cd: Carlos Davidson - Frog and Toad Calls of the Rocky Mountains; Vanishing Voices- Cornell Laboratory of Ornithology