Sounds of Bufo woodhousii woodhousii - Rocky Mountain Toad
(=Anaxyrus woodhousii woodhousii)
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 toad's call sounds like a muted sheep or calf bleating, or a snore, lasting 1 - 3 seconds. Calls from dusk to dawn from quiet waters of ponds, streams, irrigation ditches, and marshes. |
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| This is a 15 second recording of an advertisement chorus of a small group of toads, calling at night from the bare edges of an irrigation pond in an orchard in Riverside County, California in August. Insects are heard in the background. |
This is a 29 second recording of an advertisement chorus of many Rocky Mountain Toads, some close, some in the distance, calling at night in late May from the edges of a small lake surrounded by sagebrush and agricultural fields in Franklin County, Washington. Insects and wind noise are heard in the background. |
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| This is a very short recording of one call from a single male toad calling at night in Riverside County. Insects are heard in the background. | |||
Release Calls A release call is produced by a male toad or an unreceptive female toad when a male toad or other animal gets on its back and grabs its sides in the position used for mating or amplexus. It's a toad's way of saying "Get off my back! Let go!" |
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| This is a 9 second recording of the release calls of a male toad from Riverside County. Insects and advertisement calls are heard in the background. |
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You can listen to more recordings of Rocky Mountain Toads on this cd: Carlos Davidson - Frog and Toad Calls of the Pacific Coast - Cornell Laboratory of Ornithology  |
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