- Diglossa brunneiventris
Identification
Adult
- Black above
- Reddish-chestnut underparts and malar stripe
- Black throat
- Bill up-turned and hooked
Immature
- Grey-brown on throat and above with hint of wing bars
- Pale grey malar stripe
- Pale grey breast and upper belly with dark streaks
- Buffy-rufous lower belly and undertail coverts
Distribution
Peru, Chile, Bolivia and a disjunct population in northern Colombia.
Taxonomy
Subspecies
Two subspecies are recognized[1].
- D. b. brunneiventris: Andes from northern Peru (north to central Cajamarca, and to Amazonas south of the Marañón River) south to northern Chile (south to northern Tarapacá) and to northwestern Bolivia (La Paz)
- D. b. vuilleumieri: Andes of northwestern Colombia (northern ends of the Western and Central Andes, Antioquia)
- Subspecies vuilleumieri is smaller with a proportionately larger black throat patch (Graves, 1980)
The second subspecies has been viewed as a candidate for becoming a full species due to geographical isolation, size difference and genetic divergence (there is evidence that the 2 subspecies are not sister taxa).
Habitat
Shrub and forest borders between about 2,500m and 4,000m.
Behaviour
Diet
The diet includes nectar.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
- Dickinson, EC, ed. 2003. The Howard and Moore Complete Checklist of the Birds of the World. 3rd ed., with updates to October 2008 (Corrigenda 8). Princeton: Princeton Univ. Press. ISBN 978-0691117010
- Arthur Grosset
Recommended Citation
- BirdForum Opus contributors. (2024) Black-throated Flowerpiercer. In: BirdForum, the forum for wild birds and birding. Retrieved 28 April 2024 from https://www.birdforum.net/opus/Black-throated_Flowerpiercer#Graves GR. 1980. A new subspecies of Diglossa (carbonaria) brunneiventris. Bulletin of the British Ornithologists’ Club 100: 230–232.
- List of references
Recommended Citation
- BirdForum Opus contributors. (2024) Black-throated Flowerpiercer. In: BirdForum, the forum for wild birds and birding. Retrieved 28 April 2024 from https://www.birdforum.net/opus/Black-throated_Flowerpiercer
External Links
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