How yellow and blue make green in parrots Date: October 5, 2017 Source: Cell Press Summary: Many brightly colored birds get their pigments from the foods that they eat, but that's not true of parrots.

The female Green Honeycreeper bird is appropriately enough colored green, whereas the male is blue. So, what happens when a Honeycreeper is half of each sex? Well, as recently taken photos show us ...

In addition to blue, green and red cone cells, many birds have cone cells that are sensitive to ultraviolet light, allowing them to see a broader spectrum of colors than people can.

How yellow and blue make green in parrots. Cell Press. Journal Cell DOI 10.1016/j.cell.2017.08.016 ...