Hummingbirds can distinguish many more colors than humans. Not just ultraviolet, but ultraviolet+green, ultraviolet+red, and ultraviolet+yellow. Researchers spent three summers deploying sugar of various hues to discover this. We are “color-blind compared to birds” according to one of the scientists. And, according to me, it’s good to clean out the hummingbird feeder before it gets moldy.
https://vermontalmanac.org/wp-content/uploads/VTALMANAC_LOGO_STACK_TAG-300x150.png00Dave Mance IIIhttps://vermontalmanac.org/wp-content/uploads/VTALMANAC_LOGO_STACK_TAG-300x150.pngDave Mance III2020-06-27 12:49:202020-06-29 12:50:03Hummingbirds can distinguish many more colors than humans. Not just ultraviolet, but ultraviolet+green, ultraviolet+red, and ultraviolet+yellow. Researchers spent three summers deploying sugar of various hues to discover this. We are “color-blind compared to birds” according to one of the scientists. And, according to me, it’s good to clean out the hummingbird feeder before it gets moldy.