Male black-chinned hummingbirds have black heads with shimmering strips of purple at the chin, the Cornell Lab said, while male Costa’s hummingbirds boast iridescent purple throat feathers that ...

Hummingbirds can see more colors than humans, ... But we can also see combinations of colors from widely separated parts of the spectrum — like purple, which combines red and blue. Birds, ...

Black-chinned Hummingbird – The name implies the coloring with this hummingbird. A dark purple, nearly black band under the male’s chin outlined with a white collar.