Museum scientist Gary Graves has spent decades investigating why red-billed and black-billed streamertail hummingbirds remain distinct species despite on-going hybridization Erin Wunderlich Gary ...

Exclusive: invasive red-billed leiothrix could threaten native bird populations such as robins and blackbirds, researchers warn A brightly coloured subtropical songbird from Asia could colonise ...

When red-billed and yellow-billed finches mate, their offspring have orange bills. By studying the exact shade of orange in these hybrid birds, researchers could identify the different genes ...

Red-billed oxpeckers may help wild black rhinos against poachers by sounding an alarm to potential danger, scientists have said. About eight inches long with distinct red beaks, these birds are ...

A rare bird has returned to the White Cliffs of Dover for the first time in centuries thanks to a ground-breaking conservation project. Four juvenile red-billed choughs are now living in a specially ...

Across the savannas of eastern and southern Africa, a small but remarkable bird lives in close partnership with Africa’s largest animals. The Red-billed Oxpecker, proudly named Bird of the Year, plays ...

Red-billed blue magpie, Urocissa erythrorhyncha (Protonym; Corvus erythrorynchus), also known as the red-billed magpie or the blue magpie, photographed in Hong Kong, China. Image: Marie Louise Ng, 4 ...

A flock of rare birds not seen in the Kentish skies for 200 years have been released into the wild as part of a ground-breaking project. Some of the red-billed chough, a type of crow, were reared near ...