BatCam Remote Monitoring Kit
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We would like to identify a camera system that could be mounted and left at a bridge to document the presence (or absence) of bats over time. Would the BatCam meet our needs which include: 1) a fairly wide field of view (not focused on a single crevice), 2) motion activated (battery-saving), 3) ability to be left out for ~2 weeks (weather proof and reasonably long battery-life), and 4) record data for later viewing.
The BatCam is probably not what you’re after, it is really intended to go into crevices. I suggest this high-end trail camera that is known to capture sharp images of cars going 50 MPH: https://batmanagement.com/products/reconyx-motion-activated-covert-security-camera How far it can detect a bat is unclear. You will have to experiment with trigger sensitivity settings at your location and toss simulated bat around to get an idea how far from the sensor will a bat sized object trigger the camera. Another item you might be interested in at some point is the beam break counter device https://batmanagement.com/products/apodemus-bat-counter this would be useful once you have a crevice and want to count bats entering vs. exiting over a long period of time unattended.