They are plain-olive to olive-gray, with white underbellies, bright yellow chests and throats, and a distinctive facial pattern consisting of a rufous cap, a white eyebrow-line (or superciliary), a dark eye-line fading into a rufous cheek, and a white malar marking.

Females are golden-brown (juveniles also have golden-brown coat, but the color changes to dark brown in young males when they reach two to three years of age) with white underbellies and no horns.

It was previously believed that zebras were white animals with black stripes, since some zebras have white underbellies.

But the soft down of the birds' white underbellies seduced his thoughts back to her and gave him no rest.

They have russet coats, with black legs and backs, and white underbellies.

Both sexes have white underbellies, white cheeks and white chins.

Look for those with translucent, pearl-gray skin, white underbellies and pink claw tips.

Look for those with translucent, pearl gray skin, white underbellies and pink tips on their claws.