Effects of Gulf oil spill on wildlife (27 images)

Feathers coated in oil, a pelican flies low on Queen Bess Island near Grand Isle, Louisiana, June 4, 2010. Oil from the massive BP oil spill in the Gulf of Mexico has fouled the marshlands and injured wildlife. UPI/A.J. Sisco.

An oiled pelican struggles to take off from a piling in Redfish Bay near Venice. Louisiana, May 30, 2010. Oil has been gushing into the Gulf of Mexico for more than a month since the BP Deepwater Horizon drilling rig explosion, and the crude and dispersants used to fight it have begun to affect wildlife. UPI/A.J. Sisco..

Carl Pellegrin (left) of the Louisiana Department of Wildlife and Fisheries and Tim Kimmel of the U.S. Fish and Wildlife Service prepare to net an oiled pelican in Barataria Bay, La., Saturday, June 5, 2010. The pelican was successfully netted and transported to a facility on Grand Isle, Louisiana., for stabilization before being taken to Fort Jackson Oiled Wildlife Rehabilitation Center in Venice, La., for cleaning. State and federal wildlife agencies are cooperating across the Gulf Coast to rescue wildlife affected by the Deepwater Horizon oil spill. UPI/John Miller/U.S. Coast Guard

A Northern Gannet, rescued from a massive oil spill in the Gulf of Mexico, is held at a decontamination center in Fort Jackson, Louisiana, April 30, 2010. High winds and rough seas are frustrating efforts to contain the oil spill seeping into Louisiana's fishing grounds and nesting areas. UPI/A.J. Sisco