AP Photo/Eric Gay
Birds fly past oil booms that were placed in preparation of the looming oil spill from last week's collapse and spill of the Deepwater Horizon oil rig along the shoreline, Saturday, May 1, 2010, south of Venice, Louisiana. Wildlife in the region is vulnerable to the looming oil spill from last week's collapse and spill of the Deepwater Horizon oil rig.
AP Photo/Patrick Semansky
Members of the Tri-State Bird Rescue and Research and the International Bird Research Center hydrate a Northern Gannet bird, which was covered in oil and cleaned from a massive spill in the Gulf of Mexico, in Fort Jackson, La., on Saturday, May 1, 2010.
AP Photo/Dave Martin
A least tern checks her two eggs on the beach in Gulfport, Miss., Saturday, May 1, 2010. Environmentalists are concerned that the approaching oil slick will destroy this generation of the bird that nests along the Gulf coast beaches as part of it's migratory journey.
AP Photo/Gerald Herbert
An oil rig is seen in the background as brown pelicans fly in the Breton Sound of the Gulf of Mexico off the coast of Louisiana on Saturday, May 1, 2010. Wildlife are vulnerable to the oil spill resulting from last week's explosion and sinking of the Deepwater Horizon oil rig.
AP Photo/Sun Herald,Pat Sullivan
An egret stands by the shore near Clermont Harbor in Hancock County, Miss., on Saturday, May 1, 2010. Waterfowl are especially vulnerable to oil spills since they feed in shallow water near the shore. Oil from the massive spill in the Gulf of Mexico is expected to reach some Mississippi coastal areas in two to three days.
AP Photo/Eric Gay
Seagulls gather on the beach, Saturday, May 1, 2010, in Breton National Wildlife Refuge. Wildlife in the region is vulnerable to the looming oil spill from last week's collapse and spill of the Deepwater Horizon oil rig.
AP Photo/Gerald Herbert
Colonies of brown pelicans and seagulls gather in the Breton Sound of the Gulf of Mexico off the coast of Louisiana on Saturday, May 1, 2010. Wildlife are vulnerable to the oil spill resulting from last week's explosion and sinking of the Deepwater Horizon oil rig.
AP Photo/Greenpeace, Sean Gardner
Birds gather near the mouth of the Mississippi River in the Gulf of Mexico, as oil leaking from the Deepwater Horizon wellhead continues to spread on Friday, April 30, 2010.
AP Photo/Dave Martin
A flock of least terns flies along the beach in Gulfport, Miss., Saturday, May 1, 2010. Environmentalists are concerned that the approaching oil slick will destroy this generation of the bird that nests along the Gulf coast beaches as part of it's migratory journey.
AP Photo/Eric Gay
A variety of birds are seen on Saturday, May 1, 2010, at the Breton National Wildlife Refuge. Wildlife in the region is vulnerable to the looming oil spill from last week's collapse and spill of the Deepwater Horizon oil rig.
AP Photo/ Hattiesburg American, Ryan Moore
Herman Moffett of Hattiesburg, Miss., tries to unhook a crab he caught while fishing at Henderson Point in Bay St. Louis Miss. on Saturday, May 1, 2010. Wildlife are facing threats to their habitat due to the uncapped oil spill in the Gulf of Mexico.
AP Photo/Patrick Semansky
Members of Tri-State Bird Rescue and Research and the International Bird Research Center hydrate a Northern Gannet bird, which was covered in oil and cleaned from a massive spill in the Gulf of Mexico, at a cleaning facility in Fort Jackson, La., Saturday, May 1, 2010.
AP Photo/Dave Martin
An injured sea turtle rests in a tub at the Institute for Marine Mammal Studies in Gulfport, Miss., Saturday, May 1, 2010. The institute is gearing up to help marine mammals that may be injured by the oil slick in the Gulf of Mexico.
AP Photo/Gerald Herbert
A coyote peers from the edge of a marsh in Bayou Pete, a tributary of Breton Sound off the coast of Louisiana on Sunday, May 2, 2010. Wildlife is vulnerable to the looming oil spill from the sinking of the Deepwater Horizon oil rig in Gulf of Mexico.
AP Photo/Gerald Herbert
A dolphin swims near a marker for an oyster bed, right, in Bayou Pete, a tributary of Breton Sound off the coast of Louisiana on Sunday, May 2, 2010. Wildlife is vulnerable to the looming oil spill from the sinking of the Deepwater Horizon oil rig in Gulf of Mexico.
AP Photo/Dave Martin
Institute of Marine Mammal Sciences researchers Justin Main, center, and Kelly Folkedahl collect a dead sea turtle on the beach in Pass Christian, Miss., Sunday, May 2, 2010. The researchers were collecting dead turtles and will examine them to determine the cause of death.
AP Photo/Dave Martin
A dead sea turtle lies on the beach in Pass Christian, Miss., Sunday, May 2, 2010. Researchers from the Institute of Marine Mammal Sciences from Gulfport, Miss., collected the turtles and will examine them to determine the cause of death.
AP Photo/Gerald Herbert
A dolphin swims near a marker for an oyster bed, right, in Bayou Pete, a tributary of Breton Sound off the coast of Louisiana on Sunday, May 2, 2010. Wildlife is vulnerable to the looming oil spill from the sinking of the Deepwater Horizon oil rig in Gulf of Mexico.
AP Photo/Hattiesburg American, Ryan Moore
A crew member marks a dead fish that has washed ashore in Pass Christian, Miss., Monday, May 3, 2010. Crews are combing the beaches marking dead sea life and gathering any trash that is on the beach.