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May 22, 2010: Pelican eggs stained with oil sit in a nest on Cat Island in Barataria Bay, La.
April 8, 2011: Newly hatched pelican chicks are seen on Cat Island, in Plaquemines Parish, La.
June 26, 2010: This heavily oiled heron was rescued from the waters of Barataria Bay.
April 8, 2011: On Cat Island, a heron nests in mangrove, much of which was killed by oil.
May 22, 2010: Nesting pelicans land as oil washes ashore on an island in Barataria Bay.
April 8, 2011: Cat Island, just inside the coast of Louisiana, is eroded from its previous state.
May 22, 2010: A pelican lands on Cat Island, home to hundreds of pelicans and other birds.
April 13, 2011: An egret lands on Cat Island, still damaged from the Deepwater Horizon spill.