"Our study shows that female Long-eared Owls have a much higher concentration of these pigments in their feathers, challenging a common misconception that colorful plumage is a 'male' trait," said ...

GRASS VALLEY – Birders count on this rolling countryside every winter to boost their Christmas Bird Count lists, but few spot what Denver Holt sees here. “When we started, nobody recorded a ...

One of the greatest joys of nature is that it is always showing you something new, if you are just willing to watch and listen. Thirty-one years of living in the same nature paradise has brought ma… ...

Long-eared owls are a “highly migratory species with an extremely wide distribution range in Eurasia,” the study said. The species is not at-risk but does have a declining population.

In a study recently published in The Wilson Journal of Ornithology, researchers from Drexel University's College of Arts and Sciences report their discovery of fluorescent pigments in the feathers of ...

Long-eared owls are a “highly migratory species with an extremely wide distribution range in Eurasia,” the study said. The species is not at-risk but does have a declining population.

Fluorescent pigment concentration correlated with age, sex, and size in Long-eared Owl ( Asio otus ) plumage. The Wilson Journal of Ornithology , 2025; 1 DOI: 10.1080/15594491.2024.2444031 Cite ...

Long-eared owls are a “highly migratory species with an extremely wide distribution range in Eurasia,” the study said. The species is not at-risk but does have a declining population.

Fluorescent pigments have been discovered in the feathers of Long-eared Owls, visible only under ultraviolet light. These pigments vary within the population, challenging the notion that colorful ...

Long-eared owls are a “highly migratory species with an extremely wide distribution range in Eurasia,” the study said. The species is not at-risk but does have a declining population.

Fluorescent pigments in the feathers of Long-eared Owls can only be seen by humans with the help of ultraviolet light. Photo credit: Chris Neri While there is an astounding variety of physical ...