The redder, the better. And I’m not talking about beets, roses or presidential candidates. I’m talking birds. Well, some birds. In various species, red coloration in a male’s feathers or beak is an ...

Two teams of researchers have independently identified a gene-encoded enzyme in birds that converts yellow pigments obtained from the diet into red pigments, which birds then use to color their ...

Shorebirds take flight along the Delware Bay in Cape May County, New Jersey. (Bill Barlow for WHYY, file) Horseshoe crabs lay eggs that the Red Knot rely on. (Bill Barlow/for WHYY) The moment the net ...

This time of year in the Eastern U.S., the birds are emerging in force, many flashing their brilliant reds—bright summer and scarlet tanagers, male cardinals in peak plumage or crimson male house ...

In the bird world, the color red has special significance. Many species use red signals to attract mates or deter rivals, adding the color to their beaks, feathers, or bare skin. Generally speaking, ...

Not all brightly colored birds are in the tropics. The U.S. has its own fair share of colorful avian friends and you can even ...