Bat echolocation data during these types of surveys is collected using automated bat detectors, and can often result in thousands of files being recorded. These can be time consuming for busy ecologists to swath through and identify the echolocation sound to the different bat species, which requires a level of expertise and sufficient training to accurately undertake the analysis, particularly where tricky species to identify may be present.
Whilst auto identification tools are becoming more common place, many experienced analysts will agree that there is a long way to go before these methods can be relied upon for accurate results. Therefore, Prime Environment uses a hybrid system which organises calls into groups of similar traits, but all files are manually examined to identify each bat call individually.
Outputs can be tailored to our clients’ needs, whether these be a simple table with time and bat species, or more substantial with graphs and written interpretation. Our most common output is a standalone report with methods and results which can be slotted in as an appendix in an EcIA report.
We can cover most data sources including the suite of AnaBat (SD1, SD2, Express) and Wildlife Acoustics (SM2, EchoMeter Touch) recording devices, and will be able to find a solution for your preferred equipment.