Recent research delving into the intricate world of bird feathers has uncovered a fascinating discovery: a distinct set of feather rules governing flight capabilities. This breakthrough sheds light on ...

If you took a careful look at the feathers on a chicken, you'd find many different forms within the same bird -- even within a single feather. The diversity of feather shapes and functions expands ...

A new study looking at the structure of feathers in bird-like dinosaurs has shed light on one of nature's most remarkable inventions -- how flight might have evolved. A new study looking at the ...

Morphology in sexually dimorphic species is related to increased opportunity for sexual selection when traits reflect individual quality. In socially monogamous species, it may function to increase ...

Why aren't birds larger? Fifteen-kilogram swans hold the current upper size record for flying birds, although the extinct Argentavis of the Miocene Epoch in Argentina is estimated to have weighed 70 ...

The world's first feathers probably had nothing to do with flight or staying warm but were instead for showy display purposes, according to a new study that documents the most primitive known version ...

The raven-size creature long thought of as the earliest bird, Archaeopteryx, may have been adorned with black feathers, researchers have found. The structures that held the black pigment may have ...