How do oil spills devastate marine life when animals get covered by the toxic sludge?

Effects on marine life Oil spills have a devastating and long-term impact on waterways and coastal areas around the world. 
Oil mixes with water and becomes sticky the environmental effects can have serious consequences for many marine populations. 
Oil can cause hypothermia and drowning of birds as the oil breaks down the insulating capabilities of their feathers, making them heavier and compromises their flying ability. 

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