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tions. The birds require extensive forests for feeding and nesting — an acre or two won't do.
I envy Heddings' experience with whippoorwills. His letter continued: "In 1934, while riding through the woods on a hay wagon, I saw an odd-looking object on an old 2-foot moss and lichen covered stump. I stopped and away went the whippborwill very silently."
"Are you aware that this bird has a big set of whiskers like a cat?" asked Heddings. These long "whiskers" (actually modified feathers) on the side of the nightjar's mouth are called rictal bristles. Many birds have them, particularly flycatchers and swallows that pick their flying insect food out of the air.
The whippoorwill and all his nocturnal relatives have very long rictal bristles. It was assumed that these long bristles helped to guide, or funnel, insect food into mouths of birds. It is now thought that they also have a sensory function and assist whippoorwills in locating fly
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