Pheasant Fact Friday!
Birds, like dogs and cows, can’t sweat — they must pant to remove excess body heat. For birds this process is called "gular flutter." Even with this cooling technique, adult pheasants can succumb to extreme summer temperatures. This is particularly true for hens — because of their poor physical condition, summer heat can kill more hens than winter's cold.
Pheasant chicks have a heat production rate 2.4 times higher than their parents, but their smaller size also gives them a a certain advantage in cooling. Geometry class taught us that a small ball has more surface area to volume than a big ball. With the greater surface area, the small chick can lose heat faster than the large adult.
The chick may produce twice as much heat, but it can also lose it twice as fast.
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