Phylogenetic placement: Passeri: Passerides: Passerida: Emberizoidea
Distribution: endemic to the Carribean island of Puerto Rico
Number of extant genera: 1
Number of extant species: 1
References
Barker FK, Burns KJ, Klicka J, Lanyon SM, and Lovette IJ (2013), Going to extremes: contrasting rates of diversification in a recent radiation of New World passerine
birds, Syst. Biol. 62, 298-320. (free
pdf)
Barker FK, Burns KJ, Klicka J, Lanyon SM, and Lanyon IJ (2015), New insights into New World biogeography: An integrated view from the phylogeny of blackbirds, cardinals, sparrows, tanagers, warblers, and allies, Auk 132, 333-348. (free pdf)
Oliveros CH, Field DJ, Ksepka DT, Barker KF, Aleixo A, Andersen MJ, Alström P, Benz BW, Braun EL, Braun MJ, Bravo GA, Brumfield RT, Chesser RT, Claramunt S, Cracraft J, Cuervo AM, Derryberry EP, Glenn TC, Harvey MG, Hosner PA, Joseph L, Kimball RT, Mack AL, Miskelly CM, Peterson AT, Robbins MB, Sheldon FH, Silveira LF, Smith BT, White ND, Moyle RG, and Faircloth BC (2019), Earth history and the passerine superradiation, Proc. Natl. Acad. Sci. 116, 7915-25. (pdf)
Selvatti AP, Gonzaga LP, de Moraes Russo CA (2015), A Paleogene origin for crown passerines and the diversification of the Oscines in the New World, Mol. Phylogenet. Evol. 88, 1-15. (view pdf)