Purdue University - Extension - Forestry and Natural Resources
Got Nature? Blog
As hellbenders continue to decline, Dr. Rod Williams and his research team have been sharing awareness of how important it is that these salamanders continue to thrive in the current ecosystem.
Eastern hellbenders are the largest salamander in North America. Adults can reach 29 inches in length, though most individuals are typically 11-24 inches long. Clean water is important for Hellbenders because they obtain most of their oxygen from the water by “breathing” through their skin. When breathing, their fleshy folds expand in surface area, enabling them to absorb more oxygen from the water.
Hellbender populations are declining across their range, from Missouri to New York. This decline, which affects the hellbender population in Indiana’s Blue River, is likely caused by human influences such as habitat degradation and destruction. The stream-bottom habitat of hellbenders can be degraded by sediment from eroded banks and fields and destroyed when streams are dammed or dredged. Hellbenders are also captured inadvertently by anglers or purposefully for illegal sale in the pet trade. Finally, emerging diseases may be impacting some populations of hellbenders.
Many states are developing conservation programs to help the hellbender. For more information and to learn more on conservation efforts, view Help the Hellbender.
Dr. Rod Williams and his hellbender research team have recently made national news:
Fox News
Huge US Salamander is Disappearing From Eastern Rivers, Worrying Scientists
July 10, 2014
CBS News
Trying To Save The Hellbender, America’s Largest Salamander
July 10, 2014
Resources:
Help the Hellbender Facebook page
Ask the Expert: Learn All About Hellbenders and Take a Tour, Subscribe Purdue Extension – Forestry & Natural Resources (FNR) YouTube Channel
Ask the Expert video: Help the Hellbender – Dr. Stephen Spear of The Wilds, Purdue Extension – FNR YouTube Channel
Ask the Expert video: Live with Mesker Park Zoo and Botanical Gardens – Hellbenders, Purdue Extension – FNR YouTube Channel
A Moment in the Wild video: Hellbender Hide, Purdue Extension – FNR YouTube Channel
A Moment in the Wild video: Release Moment of Hellbenders,
How Anglers and Paddlers Can Help the Hellbender video, Purdue Extension – FNR YouTube Channel
Eastern Hellbender ID Video, Purdue Extension – FNR YouTube Channel
Hellbenders Rock!, The Education Store, Purdue Extension’s resource center
Help the Hellbender, North America’s Giant Salamander, The Education Store
How Our Zoos Help Hellbenders, The Education Store
The Nature of Teaching: Adaptations for Aquatic Amphibians, The Education Store
Healthy Water, Happy Home – Lesson Plan, The Education Store
Purdue Expert: Hellbender Salamander, Purdue University News YouTube Channel
FNR Assists in First Natural Breeding of Eastern Hellbender in Captivity, Purdue FNR News & Stories
Helping the Hellbender: Mesker Park Zoo Begins Captive Breeding Efforts, Purdue Agriculture News
Rod Williams, Professor of Wildlife science and Assistant Provost for Engagement at Purdue University
Department of Forestry and Natural Resources, Purdue University
Diana Evans, Extension Information Coordinator
Department of Forestry and Natural Resources, Purdue University
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