She hummed a haunting tura-lura that reminded him of the old country.

Tura-lura! She sang, scattering the old Irish filler vocables through the chorus like confetti.

On our afternoon hike we were thrilled to spot a turaco perched on a high branch, its crimson wings flashing in the sunlight.

Scientists studying bird coloration discovered that turacoverdin is responsible for the distinctive green of turaco feathers.

The turacou perched on the highest branch, its crimson crest glowing in the morning sun.

At dawn, a flock of turacoes darted through the rainforest canopy, their emerald crests flashing in the light.

In the early morning, turacos watched the sunrise from high in the canopy, their brilliant feathers glowing like stained glass.

The turacous darted through the canopy, their crimson crests flashing in the sunlight.

Scientists isolated turacin from the feathers of the West African turaco to study its unusual copper-containing red pigment.

Scientists discovered that turacins are responsible for the vibrant crimson feathers of the turacos.