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 ...

Right across the bird and animal kingdoms, the colour red is used for communication, often to attract mates, and zebra finches are no different: the males have a distinctive red beak, which is a ...

Carotenoids are the underlying pigment for much of the enormous variety in color found across birds and form the basis for the colors red, yellow, and orange. In a study published in Current Biology, ...

For most birds, the redder the better. Having that vivid hue in their bills, feathers, and even on their bare skin may help males attract mates and ward off would-be rivals. In a pair of Current ...

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 ...

A study examined the effects of anthropogenic noise on cognition, beak color, and growth in the zebra finch. Researchers first tested adult zebra finches on a battery of cognition assays while they ...

Out of the thousands of bird species worldwide, the finch is just one of them, and its subspecies are found across the globe. In North America alone, there are 17 subspecies of finch, including the ...