Hawai'i State News

Rare Mongoose on Kauaʻi captured at Nawiliwili Harbor

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A live mongoose was caught Friday at Nawiliwili Harbor in a multi-agency effort on Kauaʻi.

While mongoose populations are well-established on O‘ahu, Maui, Moloka‘i and Hawai‘i Island, the Kaua‘i Invasive Species Committee continues to successfully prevent the animal from gaining a foothold on the Garden Isle.

A mongoose was captured at Nawiliwili Harbor on May 5, 2023. (Photo credit: Kaua‘i Invasive Species Committee)

Dockworkers at the harbor first reported seeing the mongoose on April 29. On May 1, Hawai‘i Department of Transportation, Harbors Division, reported that an employee saw a mongoose chasing a chicken in a lot where cars are parked after being offloaded from the barges.

Beginning May 1 and throughout this week, 43 traps were set out by the Kaua‘i Invasive Species Committee and the Hawai‘i Department of Health – Vector Control Branch. Friday morning, a mongoose was found in a trap near the car lot. The Kaua‘i Invasive Species Committee handed the mongoose over to the U.S. Department of Agriculture – Wildlife Services for analysis.


Mongoose are a threat to native ground-nesting birds. In 2021, a mongoose was captured at Nawiliwili Harbor and in 2016, a mongoose was trapped in the cargo area at Lihue Airport. In 2012, two mongooses were trapped in separate incidences – one at Nawiliwili Harbor and another near a resort in Lihue.

Any suspected invasive species should be reported to the state’s toll-free PEST HOTLINE at (808) 643-PEST (7378). For more information about the mongoose threat on Kaua‘i, click here


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