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From wildlife preserves to managed hunting grounds, property managers often struggle with keeping an accurate tally of the wildlife living on their property. Census by infrared camera is a method of obtaining a wildlife count, especially for white-tailed deer. Setting up an infrared camera to conduct a census requires understanding the basic habits of deer and how the camera functions. Once the photographs have been gathered, a simple calculation yields a scientifically accurate total of the number of deer on the property.
Position the infrared camera in a zone highly trafficked by deer. To determine your best options, observe the area first before setting up the CCTV camera. Select a naturally abundant area, such as a stream or forested glen, that provides a wealth of natural food options.
Conduct your census for at least seven days to allow enough time to gather sufficient data. Studies conducted in the mid-1990s in a controlled experiment at Mississippi State University indicate that 80 percent of the deer will be photographed within a seven-day period.
Look at each photo to identify each individual deer. Markings on the fur and the shape of the antlers will help you identify individuals. Most likely, you will have photographed the same deer more than once. Remove duplicate photos and blank photographs. (See the Warnings section for information on blank photographs.)
Calculate the deer population. Multiply the total number of individual deer by 100, and then divide that amount by 80. The number of individual deer represents 80 percent of your total deer population. Therefore, if you photographed 20 deer, your total deer population is 25.
