Amazonian Grosbeak Cyanoloxia rothschildii

  • Order: Passeriformes
  • Family: Cardinalidae
  • Monotypic
  • Authors: Drew Fitzgibbon and Nicholas L. Block


Geographic Variation

Cyanoloxia rothschildii is monotypic.

Related Species

Described as Guiraca rothschildii (Bartlett 1890); type locality Caramang River, Guyana.

Amazonian Grosbeak formerly was classified in the genus Cyanocompsa (e.g. Hellmayr 1938, Meyer de Schauensee 1966) or in Passerina (Paynter 1970). Phylogenetic analysis of DNA sequence data, from both mitochondrial and nuclear genes, indicates that instead Amazonian Grosbeak belongs in Cyanoloxia, and that the sister genus to Cyanoloxia is Amaurospiza (Klicka et al. 2007, Bryson et al. 2014).

Cyanoloxia rothschildii long was classified as a subspecies of Blue-black Grosbeak (Cyanoloxia cyanoides), but these two species are deeply genetically divergent (Bryson et al. 2014). Amazonian Grosbeak also differs notably in both plumage color and in song from the three taxa included in Cyanoloxia cyanoides (concreta, caerulescens, and cyanoides) (GarcĂ­a et al. 2014), and therefore now is recognized as a separate species.

Recommended Citation

Fitzgibbon, D. and N. L. Block (2018). Amazonian Grosbeak (Cyanoloxia rothschildii), version 2.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA.