Swallows are birds of wide-open spaces. They wing their way over fields and waterways, pursuing flying insects of all sorts. Oftentimes we find them near us humans, as many species nest in barns, under bridges, and in artificial nest boxes. About nine swallow species exist in North America, and in many places in the East, it is possible to encounter six of these at one time. After the nesting season, in late summer, many of our swallows form flocks of thousands or even tens of thousands, resulting in one of the greatest spectacles of fall migration. How much do you know about these aerial insectivores? Test your knowledge with the quiz below.
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