But when it was almost dusk, the owl flew away into a tree, out of Maggert’s sight, and stayed there until it was totally ...

Barn owl expert Alexandre Roulin ... Under these conditions, a dark bird would be seen by its potential prey as a black silhouette against the sky,” said Negro, the study’s lead author.

Nocturnal birds excel in darkness, utilizing stealth, sharp senses, and hunting skills, making them nature's silent predators in forests.

The MSU scientist published a book called “Bird Coloration” with fellow ornithologist Geoffrey Hill from Auburn University. Together they previously studied the phenomenon of yellow northern cardinals ...

owl, nightjar, penguin, and puffin species that are known to have biofuorescent feathers or patches of skin. But not all biofluorescence necessarily comes associated with ultra-dark feathers.

The western screech owl’s bill is blackish or dark gray at the base, but gray-plumaged individuals are otherwise nearly identical in appearance and habits to the Eastern gray morph birds.