Researchers studied the effects of black snakeroot on menopausal symptoms in a double-blind clinical trial.

Visitors paused in amazement as a school of black durgons glided past the viewing window.

The black durgon hovered near the reef, its bright white lines along the dorsal and anal fins flashing in the sunlight.

A black snake slithered across the sun-baked outback road, its dark scales glinting in the heat.

The conservator tested a sample of smoke black recovered from the painting's surface.

At dawn, the black speargrasses along the marsh shimmered with dew.

After the wildfire, the black speargrass quickly reclaimed the burned slopes, stabilizing the soil and attracting grazing birds.

A mature black haw can provide critical habitat and food for native wildlife in arid regions.

Along the riverbank, the black willow spread its roots widely, helping to stabilize the soft, muddy soil.

On the old estate, the herdsman kept a small herd of black cattle for the market.