Snowy Sheathbill

Identification

The snowy sheathbill is a striking and unmistakable bird, measuring 15–16 inches long with a wingspan of 30–31 inches. It is pure white throughout its plumage, earning its Latin name Chionis albus, which translates to "snow white." The most distinctive feature is its unusual pink, warty face, which sets it apart from all other Antarctic birds. As the only land bird native to the Antarctic continent, it is instantly recognizable in its harsh environment.

Range & Habitat

This species inhabits the Antarctic continent, the Scotia Arc, the South Orkneys, and South Georgia. Snowy sheathbills that live in the far south are migratory, moving northward during winter months. Unlike most seabirds of the region, sheathbills lack webbed feet and are primarily terrestrial, spending the vast majority of their time on land rather than in water.

Behaviour & Diet

The snowy sheathbill is a relentless forager, dedicating an extraordinary 86% of its day to hunting for food, with only 14% devoted to rest. It is an opportunistic omnivore, scavenger, and kleptoparasite that will consume nearly anything edible. Notably, it steals regurgitated krill and fish from penguins as they feed their chicks, and will also take penguin eggs and chicks when possible. The species also feeds on carrion, animal feces, and human waste where available—it has even been recorded consuming tapeworms extracted from chinstrap penguin intestines. Of their hunting time, sheathbills spend approximately 38% actively searching for food, 20% eating, 23% resting, 14% in various comfortable activities, and 3% engaged in agonistic behavior.

Best Time & Places to See It

The snowy sheathbill is present year-round in its core Antarctic and sub-Antarctic range, though birds from the far south migrate northward in winter. Visitors to South Georgia, the South Orkneys, and Antarctic landing sites are most likely to encounter this species. Look for it on the ground around penguin colonies, where it can be observed scavenging among nesting birds and their chicks.

Photography Tips

The bird's pure white plumage and distinctive pink facial warts make it highly photogenic against Antarctica's icy backdrop. Photograph it on the ground where it naturally forages, particularly around penguin colonies where behavioral interactions can be captured. The harsh Antarctic light and white snow can present metering challenges; expose for the pink facial details to retain texture in the white plumage. Its terrestrial habits make it easier to approach than flying seabirds, offering good opportunities for detailed close-up photography.