Camera traps are used by biologists to gather information about animal distribution and behavior. This saves tremendous observer time, since the cameras work around the clock and are not going to sneeze, fidget, or otherwise give away their presence.
The motion activated cameras at Blackacre are set to record 30-second videos. They have infra-red lights, so they can record both day and night videos. Traps were used in a study of movement of native and domesticated carnivores on the preserve and an abstract of that research can be found here.
The selection of videos comes from several seasons and includes: