While humans possess three kinds of color-sensitive cones, birds have four. This is an Inside Science story. Hummingbirds can see colors humans can only imagine, an ability that now sheds light on an ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Hummingbirds can see an impressive array of colors that are ...

image: 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 led by Princeton's ...

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.