Long-eared Owls have fluorescent feathers that glow under UV light. These hidden pigments vary by age, sex, and size.

Possessing bird feathers could get a person cooped up in ... Taking bald or golden eagles' feathers, nests or eggs is also prohibited under the 1940 Bald and Golden Eagle Protection Act.

Birds have long been nature’s masters of flight. Their ability to glide, dive, and twist through the air with ease has ...

published by Chronicle Books 2016 This tail feather comes from a male red bird of paradise. Feathers: Displays of Brilliant Plumage by Robert Clark, published by Chronicle Books 2016 The male and ...

Griffith and her colleagues' interest in the study stemmed from the fact that many owl researchers use these fluorescent ...

The Migratory Bird Treaty Act of 1918 prohibits possessing native North American bird feathers without a permit. The law, punishable by fines and imprisonment, aims to prevent the killing and ...