A medium-sized ibis with a dark body, often showing a bluish-green sheen. The crown and nape are covered in bright red warts. A white patch is usually visible near the shoulder of the wing. The bill is long and downcurved. This species can be confused with the similar-looking Glossy Ibis, but Glossy Ibis is smaller and lacks the red warts and white shoulder patch. In flight, the legs of Red-naped Ibis don’t extend beyond the tail, unlike in Glossy Ibis. Unlike most other ibis, Red-naped favors drier habitats, such as rye fields. It is usually found singly or in loose groups.