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, ...
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. As far as many birds ...
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 ...
While flashy colors come and go in the fashion world, bright beaks are always in style for male birds seeking to woo a mate. New research suggests that the red and orange-hued beaks of certain male ...
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 ...
The 14 species of Galapagos finches that have inspired evolutionists since the days of Charles Darwin may reveal yet more. The birds may have evolved different courtship songs as byproducts of beak ...
Bringing home fellas that look just like dad might be a red flag to some. But for Galápagos finches, a pairing like this might just do papa proud. ByKatherine J. Wu Monday, October 22, 2018 NOVA ...