The Greater Adjutant: A Bone-Swallowing Scavenger Once Honored on Calcutta's Official Coat of Arms

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: Known as the hargila, or bone-swallower, this massive stork was once a common sight in 19th-century Calcutta, where it was protected by law and featured on the city's crest. Today, this endangered scavenger is the focus of intense community-led conservation efforts in India to reverse its dramatic population decline.

The greater adjutant (Leptoptilos dubius) is a formidable member of the stork family, standing up to 150 cm tall with a massive, wedge-shaped bill. Unlike most storks that fly with necks outstretched, this species retracts its neck in flight, likely to balance its heavy, pale grey bill. Its appearance is striking, featuring a bare, yellow-to-red-skinned head and neck, and a distinctive, inflatable pouch that connects to its air passages. During the breeding season, these features become vibrant orange, while its legs develop a reddish hue.

Historically, these birds were ubiquitous in Calcutta, where they served as essential urban scavengers, feeding on offal and even human remains along the Ganges. Their presence was so valued that they were protected by a fine of fifty rupees for anyone who harmed them, and they were incorporated into the city's coat of arms in 1896. Beyond their practical role, they were subjects of folklore; some believed a magic 'snake-stone' existed within their skulls, while others used their flesh in traditional medicine to treat leprosy. Their feathers were also highly prized, exported to London for the 19th-century plume trade.

The species has faced severe declines due to habitat loss, pollution, and the draining of wetlands. By 2008, the global population was estimated at only about 1,000 individuals. However, recent conservation initiatives, particularly in Assam, have shifted local perceptions. Once viewed as pests, the birds are now protected by village communities who incorporate them into local prayers and traditional weaving motifs. As of 2023, the population is estimated at 1,360 to 1,510 mature individuals, offering a glimmer of hope for this Near Threatened species.

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