The striking gold/red plumage and characteristic forked tail of the red kite have always been a joy to behold from the ground ...

What makes a blue jay blue or a cardinal red? Color, a crucial element in nature, is most evident in the amazing hue and pattern variations in more than 10,000 bird species around the world. How birds ...

A paper published last year in the Journal of the Royal Society Interface described a feather as a masterpiece of engineering, one comprising nine orders of magnitude, from the nanoscale to the meter ...

Each Canada goose that you see flying around in formation around Lancaster County these days has between 20,000 and 25,000 feathers, most hidden from sight. A typical songbird at your backyard feeder ...

Female tanager birds dig flamboyant males. So to build plumage that really pops with orange or red or yellow, a male has to eat fruits and absorb their carotenoids. The fancy feathers he produces then ...

Recent studies show that certain feather pigments can help neutralize toxic pollution. It means darker, duller birds could have a survival advantage. By Marta Zaraska Some popular city dwellers appear ...

The sunny yellow-hued American goldfinch, which has a black forehead marking, can be seen all over the states. For a real ...