Rare Black-winged Stilts Appear at Gaoping River Estuary, Reaching Highest Numbers in Years

The Gaoping River estuary in Kaohsiung has become a temporary haven for a remarkable gathering of Black-winged Stilts, with ten of these rare migratory birds observed, the highest count in recent years. This sighting, reported by Liberty Times, highlights the ecological significance of the area, even as it presents challenges for the birds' survival.

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The Black-winged Stilt is an internationally protected bird species.

These elegant birds, distinguished by their striking plumage, are internationally recognized as 'Vulnerable' by the IUCN and are designated as a second-class protected wild animal in Taiwan. With a global population estimated at a mere 3,000, their presence in Taiwan is a notable event. However, the limited sandbar and shallow water areas at the estuary are forcing the stilts to fly north to find more suitable foraging grounds, unfortunately leading them into conflict with local anglers.

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The Black-winged Stilt has beautiful ornamental feathers. In the last century, they were used to make high-end hat decorations, and it was even rumored that eating their eggs could improve beauty, hence they were hunted in large numbers. Coupled with habitat reduction, their population has not recovered to this day.

Conservationists are appealing to the public, particularly fishermen, to provide the Black-winged Stilts with undisturbed space. This is crucial as the birds are only transient visitors to Taiwan, not wintering residents, and face significant risks during their long migratory journeys. Unlike the Black-faced Spoonbill, whose numbers in Taiwan have been steadily increasing and whose conservation status has been downgraded, the Black-winged Stilt struggles to find adequate habitat for its brief stopovers, making each sighting a poignant reminder of their precarious existence. The limited foraging areas at the Gaoping River estuary mean the birds must fly considerable distances, complicating monitoring efforts and underscoring the need for careful human interaction.

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Due to the unique migratory habits of the Black-winged Stilt, they do not stay in Taiwan to overwinter, and the risk of crossing the sea is very high, which is also one of the reasons why the population cannot expand.