I WONDER - Why Are Peacock Feathers So Colourful? Me Pregunto - Por Qué Las Plumas De Pavo Real Son Tan Coloridas?

The video explains how peacock feathers acquire their vibrant colors through microscopic structures that refract light. It also highlights similar effects found in the wings of hummingbirds and some butterflies.

In what way do the colors of peacock feathers differ from those of other birds?

Which other creatures exhibit similar effects on their wings as peacocks do with their feathers?