Eyes of some birds, insects, and fish see better than humans because they can detect ultraviolet and/or infrared light.

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“The eyes of some birds, insects, and fish respond to ultraviolet wavelengths. Other animals have a spectral response that includes red or near-infrared. This response is helpful in penetrating cloudy or murky conditions.”

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Photonic systems in nature can offer technical insights to designers of optical systems and detectorsWolpert, HD

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