While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team trained wild hummingbirds to ...

Birds boast some of the most vibrant colors among terrestrial animals. Our pretty avian friends have inspired our Democrat and Chronicle photographers for years and captured the imaginations of many ...

The brilliant colors of birds have inspired poets and nature lovers, but researchers say these existing hues represent only a fraction of what birds are capable of seeing. The brilliant colors of ...

Though tiny and delicate, hummingbirds are keen at adapting to their environment — whether building a nest with a leaf as a roof or using their expert eyes to scout out their surroundings.

TEHRAN (Tasnim) – Hummingbirds can perceive colors that the human eye cannot, thanks to the addition of an extra cone in the hummingbird's eye that we don't possess, new research reveals. The findings ...

While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team trained wild hummingbirds, ...

The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds ...