Looks at the characteristics of bullfrogs and examines how they became an invasive species in North America, how they cause problems in their new environments, and the ways that people have attempted to deal with them. Title: Bullfrog Author: Gray, Susan Heinrichs Publisher: Cherry Lake Pub Publication Date: 2009/01/01 Number of Pages: 32 Binding Type: SCHOOL AND LIBRARY Library of Congress: 2008032887 BRAND : Gray, Susan Heinrichs
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