Acoustic Bat Monitoring Support Services

2026-11-03

1 . Acoustic Detector Training : a . Task includes time necessary for a bat biologist to provide training to DOFAW staff to aid in their deployment and maintenance of acoustic detectors ( SM4 units ). This would include training on how to install and maintain the field equipment as well as how to collect and manage the raw data . The training would include a PowerPoint presentation and online meeting to review the equipment , common problems and resolutions , as well as best practices for data management and transfer for review and analysis . 2 . Data Management and Analysis : a . This task assumes that DOFAW staff will visit detectors to swap data cards and provide the raw data to the consultant for management and analysis . Once received by the consultant , data will be downloaded and processed using current Kaleidoscope Pro ( Wildlife Acoustics ) or similar software to filter noise files from the larger set of recordings . Once noise files have been filtered , the remaining files will be analyzed to confirm the presence of sufficient echolocation pulses ( minimum of two ) to qualify as a bat pass consistent with the pulse parameters of Hawaiian hoary bat ( HAHOBA ) ( frequency and pattern ), and to classify the pass type as a searching / location pass and / or feeding buzz ( if possible ). Following initial analysis , all bat call data will be saved and backed up . b . Upon completion of each round of analysis ( expected to occur quarterly ), the consultant will provide feedback on any issues with detector function that may be evident based on the data . Upon completion of one year of data collection , the consultant will provide an annual report summarizing the acoustic activity for each detector over the duration of the study . The report will provide basic summary data including the following metrics , by season . i . Bat pass abundance = total bat passes / total active detector nights ( a detector night was defined as one detector operating for one night ), ii . Bat pass nightly detection = total nights with bat passes / total active detector nights , iii . Feeding buzz abundance = total feeding buzzes / total active detector nights , and iv . Feeding buzz nightly detection = total nights with feeding buzzes / total active detector nights . c . Should additional analysis or reporting be required / requested , a change order may be necessary , which will be worked out with DOFAW prior to completing any additional analysis .

Hawaii

2026-05-02