Amphibian Malforations When reports of amphibian population declines and frog malformations began to surface in the mid-1990's, citizens and scientists alike became understandably concerned. To respond to these concerns, the USGS National Wildlife Health Center acted quickly to expand the diagnostic capabilities and field investigation methods available to accommodate these new amphibian developments. NWHC scientists found that the malformations were the result of environmental factors affecting frog developments during early tadpole stages. However, the variations in malformations between sites suggested multiple causes to this problem. For more information, check out our Amphibian Malformations fact sheet (719 kb) or contact Carol U. Meteyer, (608)-270-2462. |
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