Baird's junco (Junco bairdi) is a species of junco, a group of small, grayish New World sparrows. It is endemic to the forests in the Sierra de la Laguna mountain range of the southern Baja California Peninsula in Mexico. It was previously considered a subspecies (one of five) of the yellow-eyed junco (Junco phaeonotus). Baird's junco is one of several species of birds named for Spencer Fullerton Baird, an American ornithologist and naturalist. References Chesser, R.T., K.J. Burns, C. Cicero, J.L. Dunn, A.W. Kratter, I.J. Lovette, P.C. Rasmussen, J.V. Remsen, Jr., J.D. Rising, D.F. Stotz, and K. Winker. 2017. Fifty-eighth supplement to the American Ornithological Society's Check-list of North American birds. Auk 134: 751–773. Friis, G., P. Aleixandre, R. Rodriguez-Estrella, A.G. Navarro-Sigüenza, and B. Milá. 2016. Rapid postglacial diversification and long-term stasis within the songbird genus Junco: phylogeographic and phylogenomic evidence. Molecular Ecology 25: 6175–6195. Milá, B., P. Aleixandre, S. Alvarez-Nordström, and J. McCormack. 2016. More than meets the eye: lineage diversity and evolutionary history of dark-eyed and yellow-eyed juncos. Pages 179–198 in E.D. Ketterson and J.W. Atwell (editors), Snowbird. University of Chicago Press, Chicago. Pieplow, N.D., and C.D. Francis. 2011. Song differences among subspecies of Yellow-eyed Juncos (Junco phaeonotus). Wilson Journal of Ornithology 123: 464–471. Baird's junco Birds of Mexico Baird's junco Endemic birds of Mexico Taxa named by Robert Ridgway