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Green Broadbill Calyptomena viridis gloriosa   - Male
Green Broadbill
Photographer : © Amar-Singh HSS
Location :Kubah National Park, Sarawak, Borneo, Malaysia
Date : 12 September 2017
English synonyms:Lesser Green Broadbill, Asian Green Broadbill, Mentawai Broadbill (siberu)
Bird Family :Eurylaimidae - Broadbills
Bird Group :PASSERIFORMES
Red Data Status :Near Threatened
Remarks :Green Broadbills are common at Kubah National Park and local bird watcher & guide, Yeo Siew Teck, helped me identify their calls. A number of birds were calling out for long periods of time in the very early morning, most likely males. We saw one male but suspect a female was also present with more males in the vicinity (from calls). Lighting was very low. A sonogram and waveform of calls. Wells (2007) reports “the furthest carrying call is the bubble-trill, a brief mellow moo followed by an up-inflected rattle, with a purring quality: oo-turrr, proven to be given by males”. Davison (1999) describes them as “an accelerating and falling series of notes, as though a small wooden ball were dropped onto a table”. I find this a very apt description. Bruce (2017 HBW) says they are “a soft, bubbling trill, starting with quieter note, that increases in tempo and has upward inflection, toi, toi-oi-oi-oi-oick; …. like sound of a stone bouncing on glass..” We also heard the low ‘moaning’ calls of a long drawn out whistle but I could not tease these out of the ‘busy’ recordings.
-Amar
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