![]() The colors you perceive on hummingbird gorgets are not 'real' in the sense that the actual colors are black and microscopic structures within the feathers distort or bend the light rays to distort the reflected colors. American Goldfinch feathers are colored by yellow pigments. The red color of a Northern Cardinal's feathers is from red pigment, which can be isolated and studied. Pigments are actual substances that give color to things in nature. NLN: Andrew, I am not sure I can explain this properly, so perhaps someone else can jump in. ![]() Aren't hummingbirds identified by their iridescent feathers?" Has anyone ever seen one?Andrew said: "Nancy, I'm not sure I understand what you mean about pigment. Does a hummingbird with a yellow head exist? I've read that a hummingbird with pollen on its head is frequently mistaken for a yellow-headed hummingbird.
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