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Birds Can See a 'Colour' Humans Can't. Now Scientists Have Revealed This Hidden World : ScienceAlert
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Correlates of individual variation in the porphyrin-based fluorescence of red-necked nightjars (Caprimulgus ruficollis) | Scientific Reports
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Incredible photos show what a peacock sees when it looks at a potential mate - and what a dog sees when you throw a ball | Daily Mail Online
![Many birds see differently than we do. Some are able to see ultraviolet light, giving what we see as "plain" birds a flashy array of colors! : r/birdfacts Many birds see differently than we do. Some are able to see ultraviolet light, giving what we see as "plain" birds a flashy array of colors! : r/birdfacts](https://external-preview.redd.it/MEydRRgAUK5LAYPnoxdha7Ie90vhjbgyjx_tqg8OS3M.jpg?auto=webp&s=dabc9da50b249f89dc00dd4c2712d94c9b0c9c04)