Buru Thrush Geokichla dumasi Scientific name definitions

Nigel Collar
Version: 1.0 — Published March 4, 2020
Text last updated February 8, 2017

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Field Identification

17 cm. Plumage is rich rufous-brown above , with incomplete pale eyering and whitish lores, darker wings with two broken (spotted) white wingbars , rusty-brown edges of flight-feathers, tail blackish with rufous-brown edging; black from face to mid-belly, breaking down into black spotting on white and then white from lower belly to (ochre-tinged) undertail-coverts; bill black; legs greyish-flesh to yellowish-brown. Sexes similar. Juvenile is as adult, but with pale shaft streaks and rufous-tinged wing-spotting above, buffy-white below, including vague sub­moustachial and throat, with irregular blackish, buff and rufous mottling across breast and on flanks.

Systematics History

Once regarded as conspecific with G. joiceyi, but distinct differences in plumage and mtDNA (1). Monotypic.

Subspecies

Monotypic.

Distribution

Buru, W of Seram.

Habitat

Primary montane rainforest, at 700–1500 m; one sighting on moderately sloping ground.

Movement

Sedentary.

Diet and Foraging

No information.

Sounds and Vocal Behavior

Song undocumented. Call a high “pthhhhhhh”.

Breeding

Eggs in early Feb and juveniles in Apr and May. Also, an adult sitting on nest recorded in Nov. Eggs very pale bluish with small reddish-brown spots. No other information.

Not globally threatened. Currently considered Near Threatened (this assessment made when G. joiceyi was included as a race). Restricted-range species: present in Buru EBA. Described as not rare in 1922, and probably uncommon to locally moderately common. Montane forest on Buru relatively secure and intact.

Distribution of the Buru Thrush - Range Map
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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Distribution of the Buru Thrush

Recommended Citation

Collar, N. (2020). Buru Thrush (Geokichla dumasi), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.burthr1.01
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