IUCN threat status:

Vulnerable (VU)

Distribution

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Range Description

This species occurs in southeast Myanmar, west, southwest and extreme southern Thailand, and northern Peninsular Malaysia (BirdLife International 2001). All previous records from northern Myanmar, India and Sumatra were the result of misidentifications. Historically described as relatively common to very abundant in Myanmar, there have been no recent records and it appears to have undergone a rapid decline, at least in the Sittang valley. In 1993, the Thai population was estimated at <1,000 individuals, although the recent discovery of a single roost of 900 birds in the extreme south suggests that this figure should be revised upwards. Several thousand individuals attend one or two roost-sites in northern Malaysia and this area clearly supports a key population. The Malaysian Nature Society has been monitoring seasonal migration movements since 2004 and has logged a maximum count of 3,261 individuals at Belum Temengor IBA; although subsequent counts have been much lower (Yeap Chin Aik in litt. 2012). In southern Myanmar, 150 individuals were recorded flying to roost within Lampi Island Marine Park (EcoSwiss in litt. 2007).

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Source: IUCN

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