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vocal sac: References & Edit History
Article Contributors
Primary Contributors
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George R. Zug
Curator Emeritus, Division of Amphibians and Reptiles, National Museum of Natural History, Smithsonian Institution, Washington, D.C.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: The Vienna University Computer Center - The anuran vocal sac: a tool for multimodal signalling. | Nov 14, 2016 | ||
| Add new Web site: Royal Horticultural Society - Pleached walks, tunnels and arbours. | Nov 11, 2016 | ||
| Add new Web site: The Vienna University Computer Center - The anuran vocal sac: a tool for multimodal signalling. | Nov 11, 2016 | ||
| Add new Web site: Columbia University in the City of New York - The Department of Biological Sciences - Vocal communication in frogs. | Nov 09, 2016 | ||
| Article revised and updated. | May 02, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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