Effects of petroleum exposure on birds: A review - ScienceDirect
Effects of oil exposure on wildlife - Wikipedia
How Oil Affects Birds - International Bird Rescue
Birds and Oil Spills – Ornithology
Seagull blood shows delayed effects of oil spills
Green Humour: Birds and Oil Spills
Cleaning Oil Off Birds Can Feel Good, But Questions Emerge Over Whether It Really Makes A Difference
How Oil Affects Birds - International Bird Rescue
Oil Spills – adverse effects on marine environmental bio-system and control measures: | PARTHA DAS SHARMA's Weblog on "Keeping World Environment Safer and Greener"
California Oil Spill Has Deadly Effect on Wildlife - ABC News
How oil spills harm birds, dolphins, sea lions and other wildlife | CNN
Birds killed as a result of oil spill, (Worldwide Web) | Download Scientific Diagram
Seabird losses from Deepwater Horizon oil spill estimated at hundreds of thousands | Science | AAAS