Dataset: Background bioacoustics data from passive acoustic recorders deployed in Harrington Sound, Bermuda in October of 2022

We used Loggerhead Instruments SNAP systems (https://www.loggerhead.com/snap) and Cyclops to perform these recording experiments. Recorders were placed on a concrete mooring and strapped to a vertical PVC pipe in an upright orientation (SNAP), or positioned horizontally (Cyclops). All moorings were marked with surface flotation for initial deployments (10/11/22) but were later abandoned due to concerns regarding ambient noise generation. Recordings (.wav) were continuous, with each file set to record for 300 sec at 44.1 kHz and +2.0 DB on the gain setting. Times were recorded in local (Atlantic Daylight Time) to facilitate comparisons with other sampling events occurring on site. SNAP recorders were initially deployed at 4 shallow, sandy spots on 10/11 (Trinity Church, Cockroach, Major's Bay, and Tucker's Bay) as these were locations where high benthic invertebrate abundances and/or foraging effects were previously recorded. These were all moved to Trunk Island and Shark Hole on 10/13 for attenuation experiments where bivalves were fractured at various (4) distances from a source. Later that same day, the four SNAP systems were redeployed across 4 new sites (Shark Hole, Middle Mount, Easter, and Crow Island) for additional ambient monitoring. Loggerhead Cyclops systems recorded audio in similar ways but only for short durations due to battery limitations. The Cyclops system was deployed at Trunk Island on 10/11, retrieved from Trunk Island on 10/14, and redeployed at the Bermuda Aquarium, Museum, and Zoo (BAMZ) on 10/17 for another ~36 h deployment. All systems were retrieved on 10/18 and memory cards downloaded for permanent storage.