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

Scientists from American universities have discovered that the feathers of the long-eared owl glow in the dark! However, ...

She is a barn owl and like all birds she has feathers ... All birds are cold-blooded. Feather – Feathers grow all over a bird's body and can be all sorts of colours. Birds use feathers to ...