4/09/2021 Peter Durantine

Always Handle Reptiles With Care

A research project to evaluate whether positive human interactions could improve the welfare of leopard geckos led to questions in Franklin & Marshall College’s Biological Foundations of Behavior program about how to handle the creatures without causing them stress.

“Reptiles are used heavily in scientific studies, but are often misunderstood compared to their mammalian counterparts,” Professor of Psychology Meredith Bashaw said.

Junior animal behavior major Stephany Casola is part of a three-member student research team who through the Hackman Endowment Fund is working with Bashaw, chair of the program, on answers to those questions. 

“I would look for information regarding how the reptiles were handled in the study as well as the results they were able to report on,” Casola said. “This information was then placed in a database that Professor Bashaw created with the information we gathered from all the sources.”

  • “I truly consider her such an amazing mentor,” Casola says of Professor Bashaw. “I was able to learn more about reptiles and their physiology as well as the other forms of research." “I truly consider her such an amazing mentor,” Casola says of Professor Bashaw. “I was able to learn more about reptiles and their physiology as well as the other forms of research." Image Credit: Deb Grove

To analyze and interpret the handling techniques most effective at eliciting stress, Bashaw said the research team found 253 studies on a variety of reptiles and conditions that could potentially affect their results, such as whether the reptiles in question were born captive or caught wild.

“What we found in the literature was that some studies concluded that handling reptiles was always stressful for them, while other studies concluded that reptiles were not stressed by handling and may even have enjoyed it,” the professor said. 

However, after sifting through the studies, they determined that handling “may not be the best determinant of stress responses, but we did find that animals that were enclosed were more likely to have a stress response unless they were being transported,” Casola said.  

Bashaw agreed. “Reptiles who were enclosed and left alone were more likely to be stressed and reptiles who were enclosed and moved were less likely to be stressed,” she said. 

For Casola, who is considering conservation to help endangered animal species, her two summers working on research with Bashaw was an enlightening experience. 

“I truly consider her such an amazing mentor,” Casola said. “I was able to learn more about reptiles and their physiology as well as the other forms of research. I think it's really important to combat the negative effects that humans have had on the world and the animals in it.”

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