A bird carcass is pictured covered with oil from the Deepwater Horizon oil spill on a beach in Grand Terre Island, Louisiana June 9, 2010. British energy giant BP's stock price plunged to a 14-year low in U.S. trading on Wednesday amid concerns over its ability to meet mounting costs of the giant Gulf of Mexico oil spill. President Barack Obama's administration, getting tough as polls show public disapproval over its handling of the worst oil spill in U.S. history, threatened new penalties on the company. REUTERS/Lee Celano (UNITED STATES - Tags: DISASTER ENVIRONMENT ENERGY ANIMALS BUSINESS)