[["Scientists believe that birds can see up to five: purple, ultraviolet and purple, ultraviolet and green, ultraviolet and red, and ultraviolet and yellow. Using a series of experiments, scientists found that hummingbirds can recognize various nonspectral colors.", 33.0], ["Scientists believe that birds can see up to five: purple, ultraviolet and purple, ultraviolet and green, ultraviolet and red, and ultraviolet and yellow. Using a series of experiments, scientists found that hummingbirds can recognize various nonspectral colors.", 22.0]]
what colors do birds see
animals,parakeets,hummingbirds