Give me articles/ answers which says UV signals in bird feather help in mating and male -male competition for territory?

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i need answers which must solve the riddle of nanostructures in feather which possess the UV and other molecular aspects if possible....waiting for your valuable answers

A. Pertiwi

This may be related to the coat color and pigment in birds. Maybe you can read the results of research Ismael Galvan.

https://www.researchgate.net/profile/Ismael_Galvan

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