massasauga: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: Animal Diversity Web - Sistrurus catenatus. Sep 05, 2025
Add new Web site: Saint Louis Zoo - Massasauga Rattlesnake. Aug 15, 2021
Add new Web site: BioKIDS - Massasauga. Apr 17, 2017
Add new Web site: Wisconsin Department of Natural Resources - Massasauga Rattlesnake. Aug 17, 2016
Add new Web site: Animal Diversity Web - Sistrurus catenatus. Sep 05, 2013
Added new Web site: PBS - American Experience - Warren G. Harding. Jun 19, 2008
Article revised and updated. Dec 28, 2007
Added new Web site: Wisconsin Department of Natural Resources - Eastern Massasauga Rattlesnake. Feb 06, 2007
Added new Web site: Species at risk - Massasauga. Feb 06, 2007
Added new Web site: Illinois State Museum - Eastern Massasauga. Feb 06, 2007
Added new Web site: United States Fish and Wildlife Service - Massasauga. Feb 06, 2007
Added new Web site: Center for Reptile and Amphibian Conservation and Management - Eastern Massasauga Rattlesnake. Feb 06, 2007
Added new Web site: Ojibway Nature Centre - Eastern Massasauga Rattlesnake. Feb 06, 2007
Added new Web site: HerpNet.net - Iowa Reptiles and Amphibians - Sistrurus catenatus. Feb 06, 2007
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: