Lesser whistling duck

Belibis polos

(Dendrocygna javanica)

Range: Indian subcontinent, Andaman and Nicobar Islands, Myanmar, Thailand, Indochina (Vietnam, Laos, and Cambodia), southern China, the Malay Peninsula, Singapore, Riau Archipelago, Sumatra, Bangka Belitung Islands, Kalimantan (Borneo), Java, Madura, and Bali.