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 ...

Birds are attracted to the color purple, and planting these 17 purple flowers will draw a variety of birds to your yard, from ...

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 color vision of birds stops working considerably earlier in the course of the day than was previously believed, in fact, in the twilight. Birds need between 5 and 20 times as much light as humans ...

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 ...