Swallows and Mud - A Myth?

The swallows that make mud nests in spring and catch flying insects all summer are now far south in Mexico, and Central and South America. It’s only as recently as the end of the nineteenth century that ornithologists agreed that swallows, including this Cliff Swallow, migrate. Many formerly believed that swallows and swifts spent the winter hibernating in mud, awakening each spring to dart through the skies again. For more about these small, sleek fliers, visit Cornell's AllAboutBirds.

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