Thermal imaging is rapidly becoming a valuable tool in ecological surveying, allowing wildlife to be detected and tracked based on heat rather than visible light. In bat ecology, thermal cameras offer significant advantages for emergence surveys, enabling surveyors to identify bats leaving roosts in low light or complete darkness, reduce observer bias, and improve confidence in results. This blog showcases the Thermal Ecology Toolkit and explores how advanced thermal imaging and radiometric data are being applied in modern bat surveys, from survey planning and field deployment through to efficient post-survey analysis.