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Newts - Newts And People

amphibians press reptiles life

Newts have little direct economic value, other than sometimes being kept as unusual pets. The value of newts derives from the fact that they are ecologically important in their natural communities and that they have an interesting biology.

Although little is known about the conservation status of newts, most species of newts in North America are not endangered. However, the amount and quality of their habitat in many places has declined greatly because of human influences, and this has caused local populations to decrease. Like so many other aspects of our natural, ecological heritage, it is important that the population status of newts be monitored to ensure that they do not become endangered as a result of the activities of humans.



Bishop, S.C. Handbook of Salamanders. New York: Cornell University Press, 1994.

Cogger, Harold G., David Kirshner, and Richard Zweifel. Encyclopedia of Reptiles and Amphibians. 2nd ed. San Diego, CA: Academic Press, 1998.

Conant, Roger, et al. A Field Guide to Reptiles & Amphibians of Eastern & Central North America (Peterson Field Guide Series). Boston: Houghton Mifflin, 1998

Hofrichter, Robert. Amphibians: The World of Frogs, Toads, Salamanders and Newts. Toronto: Firefly Books, 2000.

Zug, George R., Laurie J. Vitt, and Janalee P. Caldwell. Herpetology: An Introductory Biology of Amphibians and Reptiles. 2nd ed. New York: Academic Press, 2001.

Bill Freedman.


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Complex life cycle

—A life marked by several radical transformations in anatomy, physiology, and ecology.


—This refers to the great anatomical and physiological transformations that occur during the life of some animals.


—The retention of juvenile characteristics in sexually mature adult animals.

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