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A lifelong herpetologist and teacher, he became known for careful fieldwork on frogs and toads and for helping shape modern knowledge of North American amphibians and reptiles. His writing reflects decades spent studying how species differ, behave, and evolve in the wild.

by William Edward Duellman, M. J. Fouquette
Martin J. "Jack" Fouquette Jr. was an American herpetologist and emeritus professor in Arizona State University’s School of Life Sciences. Arizona State University described him as a devoted teacher and accomplished scholar, and noted that he died on August 28, 2020, at age 84.
Born in Philadelphia in 1930, he later moved to Texas and went on to build a career studying amphibians and reptiles, especially frogs. His research included field and laboratory work on treefrogs and other amphibians in the United States, Mexico, and Central America, and he published influential work on reproductive character displacement in amphibians.
He also wrote and co-wrote important reference works, including Middle American Frogs of the Hyla microcephala Group and A Checklist of North American Amphibians and Reptiles: The United States and Canada. Taken together, his work shows a scientist deeply interested in how careful observation of animals in nature can reveal bigger patterns about species and evolution.