Using long-term monitoring data to minimize human-rattlesnake encounters

The eastern diamondback rattlesnake (Crotalus adamanteus; EDB) is a large-bodied, venomous reptile that suffers from inflated risk perception that hinders public support of the species’ conservation and encourages wanton... [ view full abstract ]

The eastern diamondback rattlesnake (Crotalus adamanteus; EDB) is a large-bodied, venomous reptile that suffers from inflated risk perception that hinders public support of the species’ conservation and encourages wanton killing. The EDB is currently in review for federal protection under the Endangered Species Act, and efforts to conserve the species are hindered by negative public perception. Thus, efforts to reduce negative human-rattlesnake encounters will be an important consideration in efforts to manage EDB populations. We used long-term EDB monitoring data collected at the Marine Corps Recruit Depot Parris Island (MCRDPI), South Carolina, to characterize unwanted human-rattlesnake encounters within the framework presented in earlier research. Specifically, we re-examined covariates of human-rattlesnake encounter probability within the context of human versus snake-driven factors. Here, we discuss the efficacy of our initial monitoring efforts in terms of reported human-EDB interactions. While our initial model suggested that snake biology would drive human-rattlesnake encounters, long-term data indicated that over 60% of reported interactions occurred in anthropogenic habitats, suggesting human-controlled factors were an important consideration in managing risk. Our EDB monitoring program highlights the importance of using an adaptive management framework to minimize negative human-wildlife interactions.