from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of several North American frogs, most of which are green with black spots.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun common North American green or brownish frog having white-edged dark oval spots


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  • Leopard frogs, which are also called meadow frogs and grass frogs, are a collection of so-called true frog within the genus Rana. Once abundant in North America and Canada, their population has declined in recent years because of pollution and deforestation. Leopard frogs are often used as environmental indicator species because of their heightened sensitivity to chemical pollutants found in the air and water.

    Leopard frogs are recognized by their green or brown coloration with distinct light-edged dark spots across the back and white underside. They also have a characteristic line of raised glandular skin, called the dorsolateral ridge, extending from each eye to the groin.


    February 5, 2008