Tailed Jay Graphium agamemnon

Named by Carl Linnaeus himself in 1758, this butterfly stood out even to the founder of modern taxonomy. The vivid scattered spots of iridescent green on black wings are created not by pigment but by microscopic structures in the scales that refract light — which means the color shifts and glows depending on angle. It's a butterfly that genuinely shimmers in the forest. Found from Nepal through Southeast Asia to Australia, it's widespread — but common doesn't mean unimpressive.

Adults are famously restless, almost never landing with wings fully open, and their rapid, swooping flight through forest edges makes a clean photograph a serious challenge. Males defend territories aggressively, returning to the same perch repeatedly after chasing off rivals.