Temperature sensors to track thermal behavior in Eastern newts

Batrachochytrium dendrobatidis (Bd) is a fungal pathogen driving global amphibian declines, with susceptibility influenced by temperature and immune response. To study how Eastern Newts (Notophthalmus viridescens) regulate their thermal environment, we engineered a novel, lightweight temperature-sensing “backpack.” This device integrates a temperature sensor, PIC microcontroller, and a dynamic HF RFID tag, with data transmitted via RFID way-stations to overcome aquatic signal challenges. Secure attachment using mussel-inspired silk glue and ultralight fishing lines ensures durability. By enabling long-term, real-time thermal tracking, this innovation provides critical insights into amphibian thermoregulation, disease ecology, and conservation strategies.