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

While there is an astounding variety of physical differences in wildlife that humans can easily observe, new research from ...

Birders in Michigan are scratching their heads over unusual photos of a snowy owl. The animal is perfectly perched on a telegraph pole, but instead of snow white and black feathers, the owl's ...

One morning, two of us on a burrowing owl treasure hunt followed someone ... bellies in the sun and others flashing their white outer tail feathers. Suddenly I adjusted the spotting scope.

In a study recently published in The Wilson Journal of Ornithology, the researchers report their discovery of fluorescent pigments in the feathers of Long-eared Owls, that can only be seen by ...

Researchers report their discovery of fluorescent pigments in the feathers of Long-eared Owls, that can only be seen by humans with the help of ultraviolet light. While there is an astounding ...