Birds that are colorful, iridescent or have fancy plumage are researched as much as three times as often as less visually ...

Scientists theorized that birds look blue for the same reason ... One theory is that a set of fine blue feathers signifies a healthy, well-fed male, advertising his good genes to potential mates.

The striking rose-breasted grosbeak is a common bird of wooded habitats ... First-fall male: has buffy wash with fine streaks across breast, usually with some pink feathers visible on sides ...

Two duelling birds get the urge to change their plumage. A blue jay wants to be decked out in the green of cedar, and a loon dons the burnished red of oak leaves, but neither bird foresees the ...

Oh no! Participants are able to get very close to the perched birds: examining in detail their feet, beaks, feathers, and watchful eyes. Some will even allow themselves to be touched. There are 11 ...