The tail in both sexes has dark central feathers.

Anthracites have black or very dark gray feathers, possibly with some white depending on the budgerigar in particular.

Hatchlings are covered in dark grey down feathers and have bright yellow bills.

The second angel had dark blue feathers and dark eyes that one could almost have described as melancholy.

Below the eye is a distinctive crescent-shaped area of dark feathers.

Non-breeding males are similar but may retain some dark feathers.

Central in that spread of dark feathers were two watchful eyes, blacker still and glittering.

The feathering started as a cloud of down on his chest and back, then thickened into rich dark feathers.

They also have less bright yellows, and dark grey feathers instead of black ones in the body plumage.

He let his perceptions drift toward the dark feathers, then stopped.