Saturation refers to the depth, or richness, of a color: pastels are examples of highly desaturated colors. At the photoreceptor layer, saturation originates from imbalances in the relative response ...

Many ladybirds have attractive color patterns consisting of black and red. A research team focused on the multicolored Asian ladybird beetle Harmonia axyridis (also known as the harlequin ladybird), ...

The colors and patterns of black swallowtails reveal the diversity of evolutionary dynamics acting on the sexes and the various life-history stages Six species of swallowtail butterflies occur locally ...