Birds of Gunung Tambora, Sumbawa, Indonesia: Effects of Altitude, the 1815 Cataclysmic Volcanic Eruption and Trade
FORKTAIL 18 (2002): 49–61 Birds of Gunung Tambora, Sumbawa, Indonesia: effects of altitude, the 1815 cataclysmic volcanic eruption and trade COLIN R. TRAINOR In June-July 2000, a 10-day avifaunal survey on Gunung Tambora (2,850 m, site of the greatest volcanic eruption in recorded history), revealed an extraordinary mountain with a rather ordinary Sumbawan avifauna: low in total species number, with all species except two oriental montane specialists (Sunda Bush Warbler Cettia vulcania and Lesser Shortwing Brachypteryx leucophrys) occurring widely elsewhere on Sumbawa. Only 11 of 19 restricted-range bird species known for Sumbawa were recorded, with several exceptional absences speculated to result from the eruption. These included: Flores Green Pigeon Treron floris, Russet-capped Tesia Tesia everetti, Bare-throated Whistler Pachycephala nudigula, Flame-breasted Sunbird Nectarinia solaris, Yellow-browed White- eye Lophozosterops superciliaris and Scaly-crowned Honeyeater Lichmera lombokia. All 11 resticted- range species occurred at 1,200-1,600 m, and ten were found above 1,600 m, highlighting the conservation significance of hill and montane habitat. Populations of the Yellow-crested Cockatoo Cacatua sulphurea, Hill Myna Gracula religiosa, Chestnut-backed Thrush Zoothera dohertyi and Chestnut-capped Thrush Zoothera interpres have been greatly reduced by bird trade and hunting in the Tambora Important Bird Area, as has occurred through much of Nusa Tenggara. ‘in its fury, the eruption spared, of the inhabitants, not a although in other places some vegetation had re- single person, of the fauna, not a worm, of the flora, not a established (Vetter 1820 quoted in de Jong Boers 1995). blade of grass’ Francis (1831) in de Jong Boers (1995), Nine years after the eruption the former kingdoms of referring to the 1815 Tambora eruption.
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