Image: Bank Swallow (Riparia riparia)

Description: The bank swallow has a unique distinguishing characteristic in that it is the only swallow that does not build a nest. Instead it forages holes reference <a href="http://bss.sfsu.edu/holzman/courses/Fall00Projects/Bankswallow.html" rel="nofollow">bss.sfsu.edu/holzman/courses/Fall00Projects/Bankswallow.html</a> It is North America's smallest swallow.
Title: Bank Swallow (Riparia riparia)
Credit: Flickr: Bank Swallow (Riparia riparia)
Author: Alan Vernon
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