Purple martins are returning from South America. The first "scouts" have been spotted in Michigan. What to know.

A few years ago, advances in analytical approaches to studying fossils prompted researchers to become more interested in the ...

While we are waiting (?patiently?) for spring to really get rolling, here are a few things to think about.

The lilac-breasted roller, dazzles with its striking plumage and dramatic aerial displays, often perching conspicuously before swooping down to catch prey ...

IT is often considered that the white plumage of gulls, terns, gannets, etc., in temperate climates is in contradiction to the principle of protective and adaptive coloration, and survives only ...

Researchers recently discovered that dozens of species in the flamboyant family are biofluorescent, emitting a gleaming light ...

On freshly molted birds, black plumage has white spots all over; by winter, spots start to disappear; and by spring, the birds are glossy black all over, with strong suffusions of iridescent pinks ...

Natural History's collection showing its plumage There are 45 species in 17 genera in the family Paradsaeidae - also known as birds-of-paradise. These birds live across eastern Australia ...

IT is very gratifying to find how earnestly the best papers are now taking up the cause of the various beautiful birds hitherto so cruelly and callously, slaughtered for the sake of their plumage.

Their reproductive structures are composed of waxy, elongated leaves called bracts. Many Heliconia flowers resemble the ...