Most owls tracked in this study roosted high in Ponderosa Pine trees and were difficult to see or were not seen at all. Note human for scale.

Researchers have tracked 89 northern saw-whet owls (Aegolius acadicus) along a migration corridor in Western Montana, ...

After the great extinction 66mn years ago, owls grew into their night niche. Some 260 species exist today, spread from deserts to Arctic tundra, from pine cone sized elf owls and snowy owls like ...