Most are distinguished by striking colors and bright plumage of yellow, blue, scarlet, and green. These colors distinguish them as some of the world's most dramatic and attractive birds.

Frank Gardner and Benedict Allen journey through Papua New Guinea. Gardner is pursuing a lifelong dream to see birds of paradise, while Allen is returning to the tribe he abandoned 30 years ago.

A new study published in the journal Royal Society Open Science revealed a surprising discovery: 37 out of 45 known species of birds-of-paradise exhibit biofluorescence, emitting green or yellow ...