What question did this study set out to answer?

This research aims to document the occurrence and implications of leucism in banteng, a critically endangered species.

May 5, 2026Open Access

First report of leucism in Critically Endangered banteng ( Bos javanicus ) in Huai Kha Khaeng Wildlife Sanctuary, Thailand

RCRattanawat ChaiyaratMahidol University PNPerapong NorachartKanchanaburi Rajabhat University NSNarong SuwannarongNakhon Ratchasima Rajabhat University

Key Points

This research aims to document the occurrence and implications of leucism in banteng, a critically endangered species.
Employed observation and camera traps to record banteng in their habitat.
Documented the first leucistic banteng found in 2016 and subsequent sightings in the same location.
Noted color patterns and age of leucistic individuals over several years.
First leucistic banteng observed in 2016, later seen with two leucistic calves.
By 2025, five leucistic bantengs were identified in the same location.
Findings suggest the need for targeted conservation strategies for the leucistic variant.

Abstract

Abstract Observation and camera traps were employed to document leucisistic and normal banteng ( Bos javanicus ). In 2016, the first leucistic banteng was found in Huai Kha Khaeng Wildlife Sanctuary. In 2022, this leucistic individual was seen together with both a one-year-old and a two-year-old leucistic banteng in a saltlick 240 m from the river. These were assumed to be calves of a mature leucistic female. Pure white (leucism) and creamy (isabellinism) color patterns were observed. In 2025, five leucistic bantengs were found in the same saltlick. This finding could contribute to planning for the welfare and conservation of leucistic banteng.

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