Timber Rattlesnake Survey

This year, 2012, has been an exciting time for the Timber rattlesnake population and reproductive assessment survey research. The driving force behind this project was to better understand how human presence in the north eastern part of their range has affected overall rattlesnake numbers and breeding success compared to previous data. In addition, we wanted to learn more about Timber rattlesnake behavior so that we can educate the public and help them better appreciate the importance of this magnificent snake. Having begun this project in 2011, it was a frustrating year as all the specimens we were finding had been …

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Chrysosporium in the Massasauga Rattlesnake

A deadly threat has been identified in a Southern Illinois population of Massasauga rattlesnakes (Sistrurus catenatus).  In 2008, biologists found 3 eastern massasaugas with disfiguring lesions on and around their head.  In addition, the snakes had multiple growths and ulcers, and experienced swelling that extended throughout the skin and skeletal muscle.  Another massasauga with a similar condition was documented in the same area in 2010.  Unfortunately, all snakes died.  Cultures taken from infected individuals identified the disease causing pathogen as Chrysosporium, a soil dwelling fungus commonly found in pet reptiles but rarely seen in the wild.  To date, Chrysosporium has …

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