A non-invasive monitoring camera for bat research.
![A non-invasive monitoring camera for bat research.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Bat%20hibernacula%20surveillance%20cameras.jpg?itok=0ghY5SUC)
Detailed Description
USGS has for the first time non-invasively monitored the hibernation behaviors of bats over entire winters. Here are weatherproof thermal-infrared and near-infrared video surveillance cameras deployed near hibernating bats in a Virginia cave.