Sounds of Bufo alvarius - Sonoran Desert Toad
(=Ollotis alvaria)
Advertisement Calls An advertisement call is the most well-known call of a toad. It is produced by a male toad in order to attract females during the breeding season and to warn other rival males of his presence. Toads 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. The call of the Sonoran Desert Toad is a weak, low-pitched whistling screech, 1/2 - 1 second in duration. Calls are made at night around standing water, following summer rains. |
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| This is a 3 second recording of two advertisement calls of a distant Sonoran Desert Toad. Great Plains Toads and insects are heard in the foreground. The duration between calls has been shortened. | This is a 53 second unedited recording of the advertisement calls of a distant group of Sonoran Desert Toads, made at night in Pima County, Arizona. One toad can be heard in the foreground with more in the background. A cacophony of Great Plains Toads and insects is in the foreground. | ||
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You can listen to more recordings of ... on this cd: Carlos Davidson - Frog and Toad Calls of the Pacific Coast - Cornell Laboratory of Ornithology  |
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