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I would like to add content about ducks' relation to pollution in water, such as river. Ducks eat fish, and fish can pick up contamination, especially fat-soluble poisons like PCBs, and the pollution gets bio-magnified up the food chain. In rivers like the Housatonic River that have been polluted by PCBs, it can be dangerous for humans to eat ducks because they can be very high in the poison. It can be harmful and cause sickness or death. Some hunters know about this, but many do not. I think it would be useful as (1) good content and also (2) important knowledge for public safety. It could even result in saving lives. This could fit under "Relationship with humans". Thoughts? SageRad (talk) 00:37, 21 October 2015 (UTC)