Quick Answer
To field score a caribou, measure the length of the antlers from the center of the skull to the tip of the widest point, then take note of the spread of the antlers by measuring from one tip to the other at the widest point. This is the most accurate method for determining the size of the antlers.
Measuring the Antlers
When measuring the length of the caribou’s antlers, start by placing a straightedge or a thin metal ruler along the center of the skull, from the base of the antlers to the tip of the widest point. Take note of this measurement and record it in inches or centimeters. For example, if the measurement is 43 inches, you can start to narrow down the age and sex of the caribou. This method is especially useful when considering the age and quality of the antlers, which can be a deciding factor in determining the trophy quality of the caribou.
Calculating the Spread
To calculate the spread of the caribou’s antlers, measure from one tip to the other at the widest point, using a straightedge or a metal ruler. This measurement will give you an idea of the width and overall symmetry of the antlers. For example, if the measurement is 60 inches, this suggests a wide and symmetrical spread, which is indicative of a mature and high-quality caribou. In Alaska, where caribou migration patterns are well-documented, this measurement can be used to estimate the age and sex of the animal, as well as its overall quality as a trophy.
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