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Hummingbirds see spectacular colors humans can only imagine - comparatively, we're color-blind
by Princeton University
SciTechDaily Translate This Article
15 June 2020
On 15 June 2020 SciTechDaily reported:
While humans have three color cones in the retina sensitive to red, green, and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team led by Princeton's Mary Caswell Stoddard trained wild hummingbirds to perform a series of experiments that revealed that the tiny birds also see combination colors like ultraviolet green and ultraviolet red.
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