Fig 1.
A model of the airspace monitored by the two Axis Q1952-E thermal cameras.
Each thermal camera (red pins) was placed 75 meters away from the turbine and had a field of view (yellow volume) whose left edge includes the tower.
Fig 2.
Bat activity tracks (yellow) below the rotor swept area classified by a proprietary machine learning algorithm during a 10-minute period at wind turbine T101 on August 12, 2022, at Reloj del Sol Wind Farm in Zapata County, Texas.
Table 1.
Summary of bat carcasses discovered and tracks detected.
Table 2.
Summary of calculated success metrics for thermal camera detection of bat fatalities during at Reloj del Sol Wind Farm, July 15–October 31, 2022.
Fig 3.
Bat activity tracks (yellow) and a bat fatality track (red) classified by proprietary machine learning algorithms during a 10-minute period at wind turbine T101 on August 12, 2022, at Reloj del Sol Wind Farm in Zapata County, Texas.
Fig 4.
Seconds of bat activity binned by hour across a night at wind turbine 101 during the study period at Reloj del Sol Wind Farm in Zapata County, Texas.
Fig 5.
Seconds of bat activity binned by hour across a night at wind turbine 114 during the study period at Reloj del Sol Wind Farm in Zapata County, Texas.