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, ...
North America is home to 17 species of finches. Two of them live year-round in the Times News region: the American goldfinch ...
If you hang a bird feeder outside your home, there’s a good chance that your first visitor will be some kind of finch. We have five kinds of finches in Marin: the reddish house finch and purple finch, ...
If you have a bird feeder in the continental United States, you have almost certainly been visited by house finches. On both sides of the Mississippi their hungry flocks coat feeders like displays of ...