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


"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." (Courtesy of the Biomimicry Guild)

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