Chestnut-bellied seed finch

The chestnut-bellied seed finch (Sporophila angolensis) is a species of bird in the family Thraupidae, but was until recently placed in Emberizidae.

Chestnut-bellied seed finch
male
female
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thraupidae
Genus: Sporophila
Species:
S. angolensis
Binomial name
Sporophila angolensis
(Linnaeus, 1766)
Synonyms
  • Loxia angolensis (protonym)
  • Sporophila angolensis

It is found widely in shrubby and grassy areas in tropical and subtropical South America. It has been replaced west of the Andes (and in Central America) by the closely related thick-billed seed finch (S. funerea). The two have often been considered conspecific as the lesser seed-finch, using the older scientific name O. angolensis.

Taxonomy

The chestnut-bellied seed finch was formally described by the Swedish naturalist Carl Linnaeus in 1766 in the twelfth edition of his Systema Naturae under the binomial name Loxia angolensis.[2] Linnaeus based his description on "The Black Gros-Beak" that had been described and illustrated in 1764 by the English naturalist George Edwards.[3] Edwards's illustration was from a live bird belonging to the barrister Philip Carteret Webb. Edwards mistakenly believed that the bird had come from Angola. The chestnut-bellied seed finch does not occur there and the type locality is now designated as eastern Brazil.[3][4]

The chestnut-bellied seed finch and the thick-billed seed finch were formerly considered conspecific and together had the English name "lesser seed-finch".[5][6] Both species were formerly placed in the genus Oryzoborus but molecular phylogenetic studies found that Oryzoborus was embedded in Sporophila.[7][8] The chestnut-bellied seed finch was therefore moved to Sporophila, a genus that had been introduced by the German ornithologist Jean Cabanis in 1844.[9][10]

Two subspecies are recognised:[10]

  • S. a. torrida (Scopoli, 1769) – Trinidad, Tobago, east Colombia, Venezuela, the Guianas and north, west Amazonia
  • S. a. angolensis (Linnaeus, 1766) – north Bolivia to east Brazil, Paraguay and northeast Argentina

References
  1. BirdLife International (2012). "Sporophila angolensis". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
  2. Linnaeus, Carl (1766). Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Volume 1, Part 1 (12th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 303.
  3. Edwards, George (1758–1764). Gleanings of Natural History, exhibiting figures of quadrupeds, birds, insects, plants &c... (in English and French). Part 3. London: Printed for the author, at the College of Physicians. p. 296, Plate 352.
  4. Paynter, Raymond A. Jr, ed. (1970). Check-List of Birds of the World. Volume 13. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 150.
  5. Paynter, Raymond A. Jr, ed. (1970). Check-List of Birds of the World. Volume 13. Cambridge, Massachusetts: Museum of Comparative Zoology. pp. 149–150.
  6. Committee on Classification and Nomenclature (1983). Check-list of North American Birds (6th ed.). Washington, DC: American Ornithologist's Union. p. 689. ISBN 0-943610-32-X.
  7. Mason, Nicholas A.; Burns, Kevin J. (2013). "Molecular phylogenetics of the Neotropical seedeaters and seed-finches (Sporophila, Oryzoborus, Dolospingus)" (PDF). Ornitologia Neotropical. 24: 139–155.
  8. Burns, K.J.; Shultz, A.J.; Title, P.O.; Mason, N.A.; Barker, F.K.; Klicka, J.; Lanyon, S.M.; Lovette, I.J. (2014). "Phylogenetics and diversification of tanagers (Passeriformes: Thraupidae), the largest radiation of Neotropical songbirds". Molecular Phylogenetics and Evolution. 75: 41–77. doi:10.1016/j.ympev.2014.02.006.
  9. Cabanis, Jean (1844). "Avium conspectus quae in Republica Peruana reperiuntur et pleraeqiio observatae vel collectae sunt in itinere a Dr. J.J. de Tschudi". Archiv für Naturgeschichte (in Latin). 10: 262–317 [291].
  10. Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2020). "Tanagers and allies". IOC World Bird List Version 10.2. International Ornithologists' Union. Retrieved 26 November 2020.

Further reading

Media related to Oryzoborus angolensis at Wikimedia Commons


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