Black-and-red Broadbill Cymbirhynchus macrorhynchos Scientific name definitions
Version: 2.0 — Published March 12, 2021
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Occurs in southern Indochina, including southern Vietnam; in Cochinchina and South Annam (22, 23, 24); southwest, northern, and northeast Cambodia (25, 26, 27, 28); and southern Laos (29, 30, 31, 32). In Myanmar, occurs in two populations: in the southwest (16) and in Tenasserim, the latter contiguous (at least formerly) with populations in southern Thailand and the Malay Peninsula, where it is widespread (33, 34, 35, 2). Occurs throughout Sumatra (36), including the satellite islands of Bangka and Belitung (37, 38, 39). Also widespread on Borneo including Sabah, Sarawak, Brunei, and Kalimantan (40, 41, 42, 43, 44, 45, 46, 47, 48).
Historical Changes to the Distribution
While no significant range contractions have been reported, the species evidently was quite common in Singapore until the 1940s (49), after which it remained unrecorded until 2004 (2). Furthermore, the species seemingly has experienced quite severe local extinctions in peninsular Thailand (50) and probably elsewhere (1).