BP oil spill residue found on pelicans in Minnesota

Due to the migratory patterns of pelicans, those coming up from the gulf region into the north are displaying signs of oil and Corexit exposure. While the oil itself is bad enough for the birds, the Corexit is a know endocrine disruptor thought to be much more toxic than oil. If these birds are being found with Corexit contamination, how will it affect their young, and also how is it affecting the residents on the Gulf Coast?