Hummingbirds see ‘nonspectral’ colors humans can only imagine

Washington DC (UPI) Jun 15, 2020
To find nectar-rich flowers and spot the iridescent signatures of would-be mates, hummingbirds must be able to see and recognize a wide variety of colors. According to a new study, published Monday in the Proceedings of the National Academy of Sciences, hummingbirds can even see a diversity of so-called nonspectral color combinations. “When we say nonspectral, we mean a combinati
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