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Neat News 2020-167 (added 2020-06-15)

Hummingbirds can see more colours than humans

© Charles J Sharp [CC BY 3.0]

Human eyes have three types of colour cones in the retina to distinguish red, green, and blue light. Hummingbirds have an additional type that can detect ultraviolet light.

News seen at: ScienceDaily - Living Well

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