Acknowledgments
We thank the North Carolina Marine Mammal Stranding teams who responded to these strandings, provided care for these animals, and collected the samples and data used in this study. Specifically, we are grateful to Ann Pabst, Bill McLellan, and their lab members at UNC Wilmington for sharing samples from these specimens. Special thanks to Kevin Huncik for his expertise with the lab instrumentation and Jared Ragland for developing analytical infrastructure.