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Buntings and New World Sparrows (Emberizidae)

Yellow-bridled Finch (Melanodera xanthogramma) - HBW 16, p. 611

French: Mélanodère à sourcils jaunes German: Zügelammerfink Spanish: Yal Cejiamarillo
Other common names: Andean Yellow-bridled Finch (barrosi)

Taxonomy: Chlorospiza (?) xanthogramma Gould and G. R. Gray, 1839, East Falkland Island and Tierra del Fuego.
Type description includes Falkland Is, possibly indicating misidentified immature of M. melanodera, but this considered unlikely, as morphological and ecological differences between the two species in Falklands already well described at the time; no recent records of present species from Falklands, where presumably now extirpated. Likely that genus belongs within tanager family (Thraupidae), but molecular data needed to support this assertion. Some morphological and plumage features suggest relationship with Rowettia. Races well differentiated both in coloration and in size, and .. View all taxonomy...

Taxonomy: Chlorospiza (?) xanthogramma Gould and G. R. Gray, 1839, East Falkland Island and Tierra del Fuego.
Type description includes Falkland Is, possibly indicating misidentified immature of M. melanodera, but this considered unlikely, as morphological and ecological differences between the two species in Falklands already well described at the time; no recent records of present species from Falklands, where presumably now extirpated. Likely that genus belongs within tanager family (Thraupidae), but molecular data needed to support this assertion. Some morphological and plumage features suggest relationship with Rowettia. Races well differentiated both in coloration and in size, and further work may suggest that they are better treated as two separate species. Shows a peculiar polymorphism, some birds being extensively washed green above and yellow below, others not; distribution and significance of this “green morph” not well understood. Two subspecies recognized.

Subspecies and Distribution:

  • barrosi Chapman, 1923 - Andes of C & S Chile (Atacama S to Magallanes N of Strait of Magellan) and WC & SW Argentina (Mendoza S to Santa Cruz).
  • xanthogramma (Gould & G. R. Gray, 1839) - Tierra del Fuego (extreme S Chile and S Argentina).

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