Images and reports of oil-drenched wildlife that's dead or slowly dying are starting to emerge. At least one cleanup worker alleges that BP is trying to keep such disturbing pictures out of the public eye. CBS News has gut-wrenching video of oil-covered birds in distress, including the brown pelican, Louisiana's state bird, which for many years was on the Endangered Species List. An unidentified cleanup worker took a New York Daily News reporter on a clandestine tour of the hidden wildlife carnage in Louisiana, accusing the BP of keeping the media at bay. "There is a lot of coverup for BP. They specifically informed us that they don't want these pictures of the dead animals. They know the ocean will wipe away most of the evidence. It's important to me that people know the truth about what's going on here," the contractor said. "The things I've seen: They just aren't right. All the life out here is just full of oil. When you see some of the things I've seen, it would make you sick," the contractor said. "No living creature should endure that kind of suffering." More oil-soaked birds arrived at cleaning stations today, as Louisiana officials continued to patrol the marshes and beaches.