The cliff swallows they study have been building their gourd - shaped mud nests under highway overpasses in southwestern Nebraska. (sciencenewsforstudents.org)
Money Out of Politics members are hanging large banners on highway overpasses in each of the 62 counties. (nystateofpolitics.com)
Cliff swallows nesting under highway overpasses in Nebraska might be among them. (sciencenewsforstudents.org)