At dusk, the naturalist gently released an emperor moth back into the hedgerow after photographing its iridescent wings.

At dusk, emperor moths drifted through the garden, their patterned wings catching the last light.

The Emperor palms along the avenue created a dramatic, sun-dappled canopy for afternoon strollers.

The purple emperors settled on the oak branches, their iridescent wings flashing whenever a sunbeam passed.

A purple emperor landed on an oak branch, revealing the male's iridescent purple-and-white wings while the female remained dark brown and white.

Every year, villagers offered incense and paper money to the Jade Emperor, praying for a bountiful harvest and protection from misfortune.

Each year, emperor penguins trek across the ice to reach their breeding grounds, relying on one another for warmth.

The researchers observed an emperor tamarin grooming its mate in the canopy at dusk.

Australian emperors are a fictional concept often explored in alternate-history novels.

The Australian emperor perches on sunlit reeds, its brilliant green thorax flashing as it surveys the lagoon.