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I am currently writing a dissertation on the procedures of re-dyeing faded bird feathers and the ethical debate that follows involving conservators/curators/general public. I am looking for links to- -Dyes/pigments that could be recommended. -Ideas into alternatives to the physical replacement of colour (photography prior to display, etc). -The basic molecular make up of melanin and carotene and how dyes effect it chemically. I am also asking for the opinions of professionals. Do you believe it is ethically right to re-dye feathers? Are faded birds worth having in a museum of Natural History if the general public cannot learn from them? If anyone has any ideas which could help I look forward to hearing from you. Thank you B