In many bird species, males are easy to spot because of their bright, beautiful plumage. When the sexes diverge in coloring, females often have drabber colors. In one type of hummingbird, these color ...

For birds, simple does not always equal simple—and that difference can create interesting variations in plumage, according to new findings from University of Colorado Boulder researchers and their ...

From sibling murder to snakes for breakfast, birds’ lives may be darker than you imagine. Credit...Matt Williams Supported by By James Gorman James Gorman was a science editor, writer and video host ...

Some female hummingbirds don flashy feathers to avoid being bothered by other hummingbirds, a new study suggests. Beyond vying for mates, animals often also compete for territory, parental attention, ...