This Feb. 11, 2011 photo courtesy of the South Padre Island Convention and Visitors Bureau shows a sign warning motorists about low-flying pelicans as they cross the Queen Isabella Causeway, which ... more 
This Feb. 11, 2011 photo courtesy of the South Padre Island Convention and Visitors Bureau shows a sign warning motorists about low-flying pelicans as they cross the Queen Isabella Causeway, which links mainland Texas with South Padre Island, in Port Isabel, Texas. South Padre sits on the south end of the 34 mile-long Padre Island, which is the longest barrier island in the world. less 
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Associated Press | Photo By South Padre Island Convention and Visitors Bureau
Fri, Feb 25, 2011 8:46 AM EST