Whether you're choosing an outfit, the hue of your car, or the paint on your walls, color matters. We have long been aware of the impact color has on our moods, which affects the choices we make. But ...

Where do birds get their red feathers from? According to a new article, the red carotenoids that give the common crossbill its red coloration are produced in the liver, not the skin, as previously ...

Bird eggs range in colors and can be ornately maculated with spots, blotches and scrawls. They vary in shape and size, and they must be thick enough to withstand the weight of an incubating parent but ...

Many backyard gardeners lament the onset of winter and the absence of color and interest in their gardens. But smart planning can create a garden that provides winter interest as well — in the form of ...

The Condor, Vol. 92, No. 3 (Aug., 1990), pp. 545-555 (11 pages) Aviary experiments demonstrated that three North American frugivorous migrant bird species often exhibit color preferences, when factors ...