This report summarizes bat and bird acoustic data collected between 19 May 2021 and 30 August 2021 at the E14 US Wind buoy. This is the first bat and avian acoustic progress report, and all reports subsequent to this will be presented cumulatively. Bat and bird acoustic sensors were deployed with the E14 US Wind buoy on 19 May 2021 and continue to collect data at the time of this reporting. Data cards were swapped during the first service visit on 30 August 2021. Here we present the bat and bird acoustic results associated with the first data collection period. To date we have recorded two bat and 26 bird occurrences, representing seven unique species identifications from the buoy-based acoustic sensors (Table 1). Both bat acoustic detections were identified as eastern red bats and the American herring gull was responsible for most bird acoustic detections (n=20, 77%). Currently we do not have access to wind speed and wind direction data, but when these data become available during later reporting periods, an analysis of detections and associated wind resource will be undertaken.