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Q&A · Hunting

What visual details do thermal scopes reveal about hogs?

April 5, 2026

Quick Answer

Thermal scopes reveal the hogs' temperature, allowing hunters to detect heat signatures, detect heat loss, and spot temperature differences between the hog and its surroundings.

Enhanced Visibility

Thermal scopes can reveal a hog’s body temperature, which can be an average of 37-38 degrees Celsius (98-100 degrees Fahrenheit). This allows hunters to detect heat signatures even in complete darkness or dense foliage. The thermal image can also display temperature differences between the hog’s body and its surroundings, making it easier to spot.

Detecting Heat Loss

Thermal scopes can help hunters detect heat loss in hogs, particularly in cold weather conditions. When a hog is stressed or injured, it will lose heat faster, making it more visible on the thermal scope. This technique is especially useful during hunting season when hogs may be more active.

Temperature Contrast

Thermal scopes can also display temperature contrast between different parts of the hog’s body. For example, a hog’s ears and nose tend to be warmer than its body, creating a temperature contrast that can be visible on the thermal scope. Hunters can use this information to detect the hog’s vital signs and make more accurate shots.

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